Master Surname Index







Oliver Platt

Famous Kin of
Oliver Platt

Movie Actor


Click on the names below to see their relationship charts

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Edward I, King of England

21st great-grandfather

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Henry III, King of England

22nd great-grandfather

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Hugh le Bigod

Magna Carta Surety

22nd great-grandfather

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William d'Aubeney

Magna Carta Surety

23rd great-grandfather

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John de Lacy

Magna Carta Surety

23rd great-grandfather

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Gilbert de Clare

Magna Carta Surety

23rd great-grandfather

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Robert de Ros

Magna Carta Surety

23rd great-grandfather

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Roger le Bigod

Magna Carta Surety

23rd great-grandfather

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Henry de Bohun

Magna Carta Surety

23rd great-grandfather

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Richard de Clare

Magna Carta Surety

24th great-grandfather

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Saher de Quincy

Magna Carta Surety

25th great-grandfather

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Louis VI, King of France

26th great-grandfather

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William the Conqueror

King of England

27th great-grandfather

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Robert I, King of France

31st great-grandfather

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Alfred the Great

King of the Anglo-Saxons

34th great-grandfather

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Charlemagne

King of the Franks

36th great-grandfather

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Nathan Hale

America's First Spy

1st cousin 7 times removed via Deacon Joseph Strong

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Princess Diana

Princess of Wales

2nd cousin 1 time removed via James Boothby Burke Roche

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Julius Sterling Morton

Founder of Arbor Day

2nd cousin 4 times removed via William Sterling

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Ethan Allen

Revolutionary War Hero

2nd cousin 8 times removed via Nehemiah Allen

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More connections >>

Abraham Baldwin

Signer of the U.S. Constitution

2nd cousin 8 times removed via Thomas Strong

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Prince William

Duke of Cambridge

3rd cousin via James Boothby Burke Roche

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Prince Harry

Duke of Sussex

3rd cousin via James Boothby Burke Roche

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Joy Morton

Founder of Morton Salt Company

3rd cousin 3 times removed via William Sterling

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William Floyd

Signer of the Declaration of Independence

3rd cousin 7 times removed via Richard Platt

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Oliver Wendell Holmes, Sr.

American “Fireside” Poet

3rd cousin 7 times removed via Samuel Bishop

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John Adams

2nd U.S. President and Signer of the Declaration of Independence

3rd cousin 8 times removed via William Cogswell

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Bathsheba (Ruggles) Spooner

First woman executed for murder in U.S. by non-British government

3rd cousin 8 times removed via William Cogswell

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Increase Sumner

5th Governor of Massachusetts

3rd cousin 8 times removed via William Cogswell

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Anne Boleyn

2nd Wife of King Henry VIII

3rd cousin 14 times removed via James Butler


Oliver Platt photo by Bridget Laudien (CC BY-SA 3.0)