Family Relationship of

William III of Aquitaine

(0915–0963)

24th Great-grandfather to

George Mason

Father of the U.S. Bill of Rights

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William III of Aquitaine

Adele of Normandy

Adelaide of Aquitaine

Hugh Capet

Robert II, King of France

Constance of Arles

Henry I, King of France

Anne of Kiev

Hugh I of Vermandois

Adéle of Vermandois

Isabel de Vermandois

Sir Robert de Beaumont

Robert de Beaumont

Amicia de Gael

Robert de Beaumont

Petronella de Grantmesnil

Margaret de Beaumont

Sir Saher IV de Quincy

Sir Roger de Quincy

Helen of Galloway

Margaret de Quincy

Sir William de Ferrers

Joan de Ferrers

Sir Thomas de Berkeley

Sir Maurice de Berkeley

Eve la Zouche

Thomas de Berkeley

Katherine de Clyvedon

Sir John Berkeley

Elizabeth Betteshorne

Elizabeth Berkeley

Sir John Sutton

Sir Edmund Sutton

Thomas Dudley

Winifred Dudley

Richard Blencowe

Sir Henry Blencowe

Grace Sandford

John Blencowe

Anne Mallison

Elizabeth Blencowe

Henry Thompson

Sir William Thompson

Mary Stephens

Stephens Thompson

Dorothea Tanton

Ann Thompson

George Mason

George Mason

Father of Bill of Rights