Family Relationship of

Sandra Day O'Connor

First Female U.S. Supreme Court Justice

18th cousin to

Kyra Sedgwick

TV and Movie Actress

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Sir Ralph Neville

with wife

Margaret de Stafford

with wife

Joan Beaufort

Philippe Neville

Sir Thomas Dacre

Katherine Neville

Sir Thomas Strangeways

Joan Dacre

Thomas Clifford

Joan Strangeways

Sir William Willoughby

John Clifford

Margaret Bromflete

Cecily Willoughby

Sir Edward Sutton

Henry Clifford

Anne St. John

Sir John Sutton

Cecily Grey

Elizabeth Clifford

Sir Ralph Bowes

Sir Henry Dudley

- - - - - - Ashton

Probable

Margery Bowes

Sir Ralph Eure

Roger Dudley

Susanna Thorne

Anne Eure

Lancelot Mansfield

Gov. Thomas Dudley

Dorothy York

John Mansfield

Elizabeth - - - - - -

Patience Dudley

Maj. Gen. Daniel Denison

Elizabeth Mansfield

Rev. John Wilson

Elizabeth Denison

Rev. John Rogers

Mary Wilson

Rev. Samuel Danforth

Dr. Daniel Rogers

Sarah Appleton

Rev. Samuel Danforth

Hannah Allen

Rev. Daniel Rogers

Mary Danforth

Sarah Rogers

Jacob Barney

Elizabeth Willard Parkman

Robert Gould Shaw

Silence Barney

Samuel Cobb

Francis George Shaw

Sarah Blake Sturgis

Lettice Carlyle Cobb

Luke Day

Susanna Shaw

Robert Bowne Minturn

Hollis Day

Eliza L. Flanders

Sarah May Minturn

Henry Dwight Sedgwick

Henry Clay Day

Alice Edith Hilton

Robert Minturn Sedgwick

Helen Peabody

Henry R. Day

Ada Mae Wilkey

Henry Dwight Sedgwick

Patricia Ann Rosenwald

Sandra Day O'Connor

U.S. Supreme Court Justice

Kyra Sedgwick

TV and Movie Actress

Kyra Sedgwick photo by Angela George ( CC BY-SA 3.0)