Famous Kin of
Olivia De Havilland
Movie Actress
Click on the names below to see their relationship charts
Anne Boleyn
2nd Wife of King Henry VIII
3rd cousin 10 times removed via Sir Thomas Hoo
King Henry VIII
King of England
3rd cousin 11 times removed via Sir John Beauchamp
Catherine Parr
6th Wife of King Henry VIII
3rd cousin 13 times removed via Agnes Crophull
King Ferdinand II of Aragon
1st King of a united Spain
4th cousin 11 times removed via Diego Gomez de Toledo
Richard More
Mayflower Passenger
5th cousin 8 times removed via Sir Roger Corbet
Catherine Howard
5th Wife of King Henry VIII
5th cousin 12 times removed via John de Mowbray
Benjamin Harrison V
Signer of the Declaration of Independence
6th cousin 5 times removed via Sir Andrews de Windsor
Caleb Brewster
Member of the Culper Spy Ring during the American Revolution
6th cousin 5 times removed via Sir Andrews de Windsor
Carter Braxton
Signer of the Declaration of Independence
6th cousin 5 times removed via Sir Andrews de Windsor
Robert Catesby
Leader of Gunpowder Plot
6th cousin 7 times removed via Sir Oliver St. John
Jane Seymour
3rd Wife of King Henry VIII
6th cousin 12 times removed via Alice de Audley
James Russell Lowell
American “Fireside” Poet
7th cousin 1 time removed via Sir Francis Palmes
William Henry Harrison
9th U.S. President
7th cousin 4 times removed via Sir Andrews de Windsor
Thomas Nelson
Signer of the Declaration of Independence
7th cousin 4 times removed via Sir Andrews de Windsor
Edmund Waller
English Poet and Politician
7th cousin 6 times removed via Sir Thomas Blount
George Washington
1st U.S. President
8th cousin 3 times removed via Richard Blount
General Robert E. Lee
Confederate Army - U.S. Civil War
8th cousin 3 times removed via Sir Andrews de Windsor
Benedict Cumberbatch
Movie, Television and Stage Actor
8th cousin 4 times removed via Sir Francis Palmes
Benjamin Harrison
23rd U.S. President
9th cousin 2 times removed via Sir Andrews de Windsor
Fitzhugh Lee
40th Governor of Virginia
9th cousin 2 times removed via Sir Andrews de Windsor
George Clinton
4th U.S. Vice President
9th cousin 5 times removed via Sir Walter Devereux
Jonathan Swift
Author of Gulliver's Travels
9th cousin 7 times removed via Robert de Ferrers
C. W. Post
Founder of Post Cereals
10th cousin 1 time removed via Sir Robert Corbet
Nicholas Gilman
Signer of the U.S. Constitution
10th cousin 2 times removed via Sir Thomas Blount
William C. C. Claiborne
1st Governor of Louisiana
10th cousin 3 times removed via Sir Oliver St. John
Meriwether Lewis
Lewis and Clark Expedition
10th cousin 4 times removed via Sir Lionel de Welles
Samuel Prescott
Completed Paul Revere's Midnight Ride
10th cousin 4 times removed via Sir Robert Corbet
John Hancock
Signer of the Declaration of Independence
10th cousin 4 times removed via Sir Robert Corbet
DeWitt Clinton
6th Governor of New York
10th cousin 4 times removed via Sir Walter Devereux
Eleanor Roosevelt
First Lady of President Franklin D. Roosevelt
11th cousin via Sir Andrews de Windsor
Lucretia (Rudolph) Garfield
First Lady of President James Garfield
11th cousin 1 time removed via Sir Thomas Blount
J. A. Folger
Founder of Folger Coffee Company
11th cousin 1 time removed via Sir Thomas Blount
Joseph Wharton
Founder of the Wharton School of Business
11th cousin 1 time removed via Sir Thomas Blount
Henry Lee III
9th Governor of Virginia
11th cousin 2 times removed via John Andrews
Lizzie Borden
Accused Murderess
11th cousin 2 times removed via Sir Robert Corbet
William Floyd
Signer of the Declaration of Independence
11th cousin 2 times removed via Sir Thomas Hoo
Allen Dulles
5th Director of the C.I.A.
11th cousin 2 times removed via Sir Robert Corbet
John Foster Dulles
52nd U.S. Secretary of State
11th cousin 2 times removed via Sir Robert Corbet
Lt. Gen. James Brudenell
Leader of the “Charge of the Light Brigade”
11th cousin 2 times removed via Sir Walter Devereux
General George S. Patton
U.S. Army - World War II
11th cousin 3 times removed via Richard Blount
Elizabeth Montgomery
TV Actress - “Bewitched”
11th cousin 3 times removed via Sir Robert Corbet
Illeana Douglas
TV and Movie Actress
11th cousin 3 times removed via Sir Robert Corbet
Mary Chapin Carpenter
Singer and Songwriter
11th cousin 3 times removed via Sir Andrews de Windsor
Edward Norton
Movie Actor
11th cousin 3 times removed via Sir Andrews de Windsor
Richard Henry Lee
Signer of the Declaration of Independence
11th cousin 3 times removed via Sir Robert Corbet
Francis Lightfoot Lee
Signer of the Declaration of Independence
11th cousin 3 times removed via Sir Robert Corbet
Daniel Carroll
Signer of the U.S. Constitution
11th cousin 3 times removed via Sir Walter Devereux
John Carroll
Founder of Georgetown University
11th cousin 3 times removed via Sir Walter Devereux
Button Gwinnett
Signer of the Declaration of Independence
11th cousin 4 times removed via Sir Walter Devereux
General William Whipple
Signer of the Declaration of Independence
11th cousin 4 times removed via Sir Hugh Luttrell
Adlai Stevenson III
U.S. Senator from Illinois
11th cousin 4 times removed via Sir Robert Corbet
Roger Sherman
Signer of the Declaration of Independence
11th cousin 5 times removed via Sir Richard FitzAlan
Ellen DeGeneres
Comedienne and TV Personality
11th cousin 5 times removed via Guy Palmes of Lindley
Kit Harington
TV Actor - “Game of Thrones”
11th cousin 5 times removed via Richard Blount
Major John Pitcairn
British Commander at Battle of Lexington
11th cousin 6 times removed via Richard FitzAlan
Patrick Henry
1st and 6th Governor of Virginia
11th cousin 6 times removed via Richard FitzAlan
Rev. George Burroughs
Executed for Witchcraft, Salem 1692
11th cousin 7 times removed via Bartholomew de Badlesmere
Elihu Yale
Benefactor and Namesake of Yale College
11th cousin 7 times removed via John IV le Strange
Henry Clay Folger
Founder of Folger Shakespeare Library and Chairman of Standard Oil
12th cousin via Sir Thomas Blount
Stephen A. Douglas
Participated in Lincoln-Douglas Debates
12th cousin via Sir Thomas Blount
Jay Gould
American Railroad “Robber Baron”
12th cousin via William Cotton of Lanwade
Franklin D. Roosevelt
32nd U.S. President
12th cousin 1 time removed via Sir Thomas Blount
Sir Winston Churchill
Prime Minister of the United Kingdom
12th cousin 1 time removed via Sir Henry Vernon
Orson Welles
Radio, Stage, and Movie Actor
12th cousin 1 time removed via Sir Richard Corbet
Charles Darwin
Theory of Evolution
12th cousin 1 time removed via Sir Walter Devereux
Oliver Wendell Holmes, Jr.
U.S. Supreme Court Justice
12th cousin 1 time removed via Sir Thomas Blount
Queen Elizabeth II
Queen of the United Kingdom
12th cousin 2 times removed via William Cotton of Lanwade
George Romney
43rd Governor of Michigan
12th cousin 2 times removed via Sir Thomas Blount
Marilyn Monroe
Actress, Model, and Singer
12th cousin 2 times removed via Sir Thomas Blount
Abigail Folger
Charles Manson Murder Victim and Folger Coffee Heiress
12th cousin 2 times removed via Sir Thomas Blount
George Mason
Father of the U.S. Bill of Rights
12th cousin 2 times removed via Sir Walter Blount
Norman Rockwell
American Artist
12th cousin 2 times removed via William Cotton of Lanwade
Amelia Earhart
Aviation Pioneer
12th cousin 2 times removed via Sir Thomas Blount
Ichabod Goodwin
27th Governor of New Hampshire
12th cousin 2 times removed via Sir Lionel de Welles
Willis Carrier
Inventor of Air Conditioning
12th cousin 2 times removed via Sir Thomas Blount
Thomas Sim Lee
2nd and 7th Governor of Maryland
12th cousin 2 times removed via Sir Robert Corbet
Ray Bradbury
Author of The Martian Chronicles
12th cousin 3 times removed via Thomas Heigham
Mitt Romney
70th Governor of Massachusetts
12th cousin 3 times removed via Sir Thomas Blount
Christopher Reeve
Movie Actor
12th cousin 3 times removed via Sir Richard Corbet
Erskine Childers
4th President of Ireland
12th cousin 3 times removed via Sir Thomas Blount
Dick Clark
Radio and TV Host
12th cousin 3 times removed via William Cotton of Lanwade
Tuesday Weld
TV and Movie Actress
12th cousin 3 times removed via Sir Thomas Blount
George H. W. Bush
41st U.S. President
12th cousin 4 times removed via Sir Thomas Blount
James Madison
4th U.S. President
12th cousin 4 times removed via Sir Richard FitzAlan
Robert Treat Paine
Signer of the Declaration of Independence
12th cousin 4 times removed via John de Welles
Alan Shepard
Mercury and Apollo Astronaut
12th cousin 4 times removed via Thomas Heigham
Ted Danson
TV Actor - “Cheers”, “CSI”
12th cousin 4 times removed via Sir Thomas Blount
Owen Brewster
54th Governor of Maine
12th cousin 4 times removed via Thomas Heigham
George W. Bush
43rd U.S. President
12th cousin 5 times removed via Sir Thomas Blount
Britney Spears
Singer, Entertainer
12th cousin 5 times removed via Sir Thomas Blount
Jeb Bush
43rd Governor of Florida
12th cousin 5 times removed via Sir Thomas Blount
Linda Hamilton
TV and Movie Actress
12th cousin 5 times removed via Thomas Heigham
Elisabeth Shue
TV and Movie Actress
12th cousin 5 times removed via Sir Thomas Blount
Treat Williams
TV & Movie Actor
12th cousin 5 times removed via Sir Thomas Blount
Caesar Rodney
Signer of the Declaration of Independence
12th cousin 6 times removed via Alice de Audley
Colonel Robert Gould Shaw
Principal character of film Glory portrayed by Matthew Broderick
13th cousin via Sir Oliver St. John
Calvin Coolidge
30th U.S. President
13th cousin 1 time removed via Sir Oliver St. John
Susan B. Anthony
Women's Rights Advocate
13th cousin 1 time removed via Sir Thomas Blount
John D. Rockefeller
Founder of the Standard Oil Company
13th cousin 1 time removed via Sir Thomas Hoo
Edith (Bolling) Wilson
First Lady of President Woodrow Wilson
13th cousin 1 time removed via Sir Thomas Hoo
Liz Claiborne
Fashion Designer and Founder of Liz Claiborne Inc.
13th cousin 1 time removed via Sir Oliver St. John
William Rufus Day
36th U.S. Secretary of State
13th cousin 1 time removed via Sir Robert Corbet
Edward Lloyd V
13th Governor of Maryland
13th cousin 1 time removed via Sir Robert Corbet
Jane (Appleton) Pierce
First Lady of President Franklin Pierce
13th cousin 2 times removed via Sir Hugh Luttrell
John Kerry
68th U.S. Secretary of State
13th cousin 2 times removed via Sir Oliver St. John
Herman Melville
Author of Moby Dick
13th cousin 2 times removed via Sir Hugh Luttrell
Cokie Roberts
Author and TV Journalist
13th cousin 2 times removed via Sir Oliver St. John
Abigail (Smith) Adams
First Lady of President John Adams
13th cousin 3 times removed via Sir Richard FitzAlan
Eli Whitney
Inventor of the Cotton Gin
13th cousin 3 times removed via Sir Richard FitzAlan
Nelson Rockefeller
41st U.S. Vice-President
13th cousin 3 times removed via Sir Thomas Hoo
Camilla Parker Bowles
Duchess of Cornwall
13th cousin 3 times removed via Sir Oliver St. John
Maggie Gyllenhaal
Movie Actress
13th cousin 3 times removed via Sir Oliver St. John
Charles Goldsborough
16th Governor of Maryland
13th cousin 3 times removed via Sir Richard FitzAlan
Thomas Jefferson
3rd U.S. President and Signer of the Declaration of Independence
13th cousin 4 times removed via John de Mowbray
Mamie (Doud) Eisenhower
First Lady of President Dwight Eisenhower
13th cousin 4 times removed via Sir Thomas Hoo
Kyra Sedgwick
TV and Movie Actress
13th cousin 4 times removed via Sir Oliver St. John
John McCain
U.S. Senator from Arizona
13th cousin 4 times removed via Sir Thomas Blount
Bill Weld
68th Governor of Massachusetts
13th cousin 4 times removed via Sir Thomas Hoo
William Ellery
Signer of the Declaration of Independence
13th cousin 5 times removed via Ralph de Stafford
William Greene
2nd Governor of Rhode Island
13th cousin 5 times removed via Ralph de Stafford
John Cena
Movie Actor and WWE Pro Wrestler
13th cousin 5 times removed via Sir Thomas Hoo
Sydney Biddle Barrows
Mayflower Madam
13th cousin 6 times removed via Sir Thomas Hoo
Francis Scott Key
Author of “The Star Spangled Banner”
14th cousin via Sir Walter Devereux
Zachary Taylor
12th U.S. President
14th cousin 1 time removed via Sir Edmund Ferrers
Theodore Roosevelt
26th U.S. President
14th cousin 1 time removed via Sir Lionel de Welles
Alice (Lee) Roosevelt
First Wife of President Theodore Roosevelt
14th cousin 1 time removed via Sir Robert Corbet
Katharine Hepburn
Movie Actress
14th cousin 1 time removed via Sir Robert Corbet
Thomas Pynchon
American Novelist
14th cousin 1 time removed via Sir Robert Corbet
Henry Lloyd
40th Governor of Maryland
14th cousin 1 time removed via Sir Robert Corbet
John Quincy Adams
6th U.S. President
14th cousin 2 times removed via Sir Richard FitzAlan
Shubael D. Childs
Founder of S.D. Childs & Company
14th cousin 2 times removed via Sir Richard FitzAlan
Lee Harvey Oswald
Accused Assassin of President John F. Kennedy
14th cousin 2 times removed via Sir Lionel de Welles
Sandra Day O'Connor
First Female U.S. Supreme Court Justice
14th cousin 2 times removed via Sir Lionel de Welles
Thomas Hunt Morgan
Nobel Prize Winner in Physiology or Medicine
14th cousin 2 times removed via Sir Robert Corbet
Sarah Palin
9th Governor of Alaska
14th cousin 2 times removed via Sir Robert Corbet
Oliver Wendell Holmes, Sr.
American “Fireside” Poet
14th cousin 2 times removed via Sir Richard FitzAlan
Leverett Saltonstall
55th Governor of Massachusetts
14th cousin 2 times removed via Sir Robert Corbet
Samuel Howard
Boston Tea Party Participant
14th cousin 3 times removed via Richard FitzAlan
Upton Sinclair
Pulitzer Prize Winning Novelist
14th cousin 3 times removed via Sir Walter Devereux
Anna Gunn
TV and Movie Actress
14th cousin 3 times removed via Sir Robert Corbet
John Marshall
4th Chief Justice of the U.S. Supreme Court
14th cousin 3 times removed via John de Mowbray
Endicott Peabody
62nd Governor of Massachusetts
14th cousin 3 times removed via Sir Robert Corbet
Alan Turing
WWII Codebreaker of Nazi Enigma Machine
14th cousin 3 times removed via Sir John Beauchamp
Bob Taft
67th Governor of Ohio
14th cousin 3 times removed via Sir Lionel de Welles
Charles Carroll
Signer of the Declaration of Independence
14th cousin 3 times removed via Sir James le Boteler
Catherine Middleton
Duchess of Cambridge
14th cousin 4 times removed via Sir Lionel de Welles
Robert Townsend
Member of the Culper Spy Ring during the American Revolution
14th cousin 4 times removed via Ralph de Stafford
Guy Ritchie
British Filmmaker
14th cousin 4 times removed via Sir Walter Devereux
Mizuo Peck
TV and Movie Actress
14th cousin 4 times removed via Sir Robert Corbet
Cara Delevingne
Fashion Model and Movie Actress
14th cousin 4 times removed via Sir Walter Devereux
Gerald Ford
38th U.S. President
14th cousin 5 times removed via Sir Walter Blount
Chevy Chase
Comedian, Actor and Writer
14th cousin 5 times removed via Sir Walter Blount
Paris Hilton
Socialite and TV Personality
14th cousin 6 times removed via Sir Walter Blount
General Douglas MacArthur
U.S. Army - World War II
15th cousin via Sir Edmund Ferrers
Tennessee Williams
Author of A Streetcar Named Desire
15th cousin 1 time removed via Sir Hugh Luttrell
Harriet Martineau
Author of The Hour and the Man
15th cousin 1 time removed via Sir Thomas de Beauchamp
Fletcher Christian
Leader of the mutiny on the Bounty
15th cousin 1 time removed via Sir Thomas de Beauchamp
Richard Warren Sears
Co-Founder of Sears, Roebuck, & Co.
15th cousin 1 time removed via Sir Richard FitzAlan
Gloria Vanderbilt
Fashion Designer
15th cousin 1 time removed via Sir Richard FitzAlan
William Marsh Rice
Founder of Rice University
15th cousin 1 time removed via Sir Richard FitzAlan
James Youngs Smith
29th Governor of Rhode Island
15th cousin 1 time removed via Sir Richard FitzAlan
Alexander Hamilton
1st U.S. Secretary of the Treasury
15th cousin 2 times removed via Richard FitzAlan
Noel Coward
Playwright, Actor, and Songwriter
15th cousin 2 times removed via Richard FitzAlan
Adlai Stevenson II
31st Governor of Illinois
15th cousin 2 times removed via Sir Edmund Ferrers
General George C. Marshall
Author of “The Marshall Plan”
15th cousin 2 times removed via Sir Edmund Ferrers
John Adams Morgan
1952 Olympic Sailing Gold Medalist
15th cousin 2 times removed via Sir Edmund Ferrers
Abraham Baldwin
Signer of the U.S. Constitution
15th cousin 2 times removed via Guy de Beauchamp
Horace Gray
U.S. Supreme Court Justice
15th cousin 2 times removed via John de Mowbray
Lytton Strachey
Author and Co-Founder of Bloomsbury Group
15th cousin 3 times removed via Alice de Audley
James Spader
TV and Movie Actor
15th cousin 3 times removed via Sir Hugh Luttrell
Samuel Ward King
15th Governor of Rhode Island
15th cousin 3 times removed via Ralph de Stafford
William H. Macy
TV and Movie Actor
15th cousin 3 times removed via Sir Edmund Ferrers
James Taylor
Singer-Songwriter
15th cousin 3 times removed via Sir Edmund Ferrers
Marie-Chantal Miller
Crown Princess of Greece
15th cousin 3 times removed via Sir Hugh Luttrell
Lewis Carroll
Author of Alice in Wonderland
15th cousin 3 times removed via Alice de Audley
Sir Arthur Conan Doyle
Author, “Sherlock Holmes”
15th cousin 4 times removed via Sir Henry de Grey
Juliette Gordon Low
Founder of the Girl Scouts
16th cousin via Sir Richard FitzAlan
Buckminster Fuller
Author, Architect, and Inventor
16th cousin via Sir Richard FitzAlan
General James Longstreet
Confederate Army - U.S. Civil War
16th cousin 1 time removed via John de Welles
Charles A. Pillsbury
Co-Founder of C.A. Pillsbury Co.
16th cousin 2 times removed via Edmund FitzAlan
Julia (Ward) Howe
Author of “The Battle Hymn of the Republic”
16th cousin 2 times removed via Ralph de Stafford
Linda Hunt
TV and Movie Actress
16th cousin 2 times removed via Sir Richard FitzAlan
Harper Lee
Author of To Kill a Mockingbird
16th cousin 3 times removed via Sir Thomas de Beauchamp
J.P. Morgan
American Banker and Art Collector
16th cousin 3 times removed via Sir Roger de Grey
Roy Rogers
Cowboy movie actor and singer
16th cousin 3 times removed via Sir Thomas de Beauchamp
Bathsheba (Ruggles) Spooner
First woman executed for murder in U.S. by non-British government
16th cousin 3 times removed via Sir Robert de Ros
John Langdon
Signer of the U.S. Constitution
16th cousin 3 times removed via Sir Robert de Ros
Charles Carnan Ridgely
15th Governor of Maryland
16th cousin 4 times removed via Sir Gilbert de Clare
Philip Livingston
Signer of the Declaration of Independence
16th cousin 5 times removed via Sir Gilbert de Clare
Meghan Markle
Duchess of Sussex, TV Actress
16th cousin 5 times removed via Sir Thomas de Beauchamp
Johnny Mercer
Songwriter and Co-Founder of Capitol Records
17th cousin via Richard FitzAlan
Sir Charles Tupper
6th Prime Minister of Canada
17th cousin via Eleanor Plantagenet
Guillermo Billinghurst
31st President of Peru
17th cousin via Eleanor Plantagenet
Barbara (Pierce) Bush
First Lady of President George H.W. Bush
17th cousin 1 time removed via Richard FitzAlan
Ellen Louise (Axson) Wilson
First Lady of President Woodrow Wilson
17th cousin 1 time removed via Richard FitzAlan
Eliphalet Remington
Founder of Remington Arms Company
17th cousin 1 time removed via John IV le Strange
Pete Seeger
American Folk Singer
17th cousin 1 time removed via Richard FitzAlan
J.P. Morgan, Jr.
American Banker and Philanthropist
17th cousin 2 times removed via Sir Roger de Grey
Warren Buffett
Chairman & CEO, Berkshire Hathaway
17th cousin 2 times removed via John de Mowbray
Lou (Henry) Hoover
First Lady of President Herbert Hoover
17th cousin 2 times removed via Richard FitzAlan
Frank Lloyd Wright
American Architect
17th cousin 2 times removed via Sir William de Bohun
Howard Dean
79th Governor of Vermont
17th cousin 2 times removed via Richard FitzAlan
Susana Ferrari Billinghurst
Argentine Aviation Pioneer
17th cousin 2 times removed via Eleanor Plantagenet
Christian Herter
59th Governor of Massachusetts
17th cousin 3 times removed via Guy de Beauchamp
Carly Fiorina
CEO of Hewlett-Packard
17th cousin 3 times removed via John de Mowbray
Luciana Pedraza
Argentine Movie Actress
17th cousin 4 times removed via Eleanor Plantagenet
Anthony West
Novelist and writer for the New Yorker
18th cousin via Alice de Audley
Richard Nixon
37th U.S. President
18th cousin 1 time removed via Ralph de Stafford
Henry Sturgis Morgan
Co-Founder of Morgan Stanley
18th cousin 1 time removed via Sir Roger de Grey
Walt Disney
Co-Founder of The Walt Disney Company
18th cousin 1 time removed via Bartholomew de Badlesmere
Jimmy Carter
39th U.S. President
18th cousin 1 time removed via Ralph de Stafford
Emily Post
American Author on Etiquette
18th cousin 1 time removed via Sir Richard de Burgh
Warren G. Harding
29th U.S. President
18th cousin 1 time removed via Ralph de Stafford
Marshall Field
Founder of Marshall Field & Co.
18th cousin 1 time removed via Sir Robert de Ros
Eugene Foss
45th Governor of Massachusetts
18th cousin 1 time removed via Sir Robert de Ros
Capt. William Lewis Herndon
Captain of the ill fated S.S. Central America
18th cousin 2 times removed via Sir William de Ros
Charlie Munger
Vice-Chairman of Berkshire Hathaway
18th cousin 2 times removed via Ralph de Stafford
Robert Louis Stevenson
Author of Treasure Island
18th cousin 3 times removed via Sir Richard de Burgh
General Hugh Mercer
American Revolution
18th cousin 3 times removed via Sir Gilbert de Clare
Helen (Herron) Taft
First Lady of President William H. Taft
19th cousin via Sir Robert de Ros
Ellen (Herndon) Arthur
Wife of President Chester A. Arthur
19th cousin 1 time removed via Sir William de Ros
Dr. H. H. Holmes
Serial Killer aka “Devil in the White City”
19th cousin 1 time removed via Sir Robert de Ros
Edith (Carow) Roosevelt
First Lady of President Theodore Roosevelt
20th cousin 1 time removed via Sir Geoffrey FitzPiers
Frank Nelson Doubleday
Founder of Doubleday & Co.
20th cousin 1 time removed via Sir Geoffrey FitzPiers