Family Relationship of

Richard de Clare

Magna Carta Surety

18th Great-grandfather to

George Mason

Father of the U.S. Bill of Rights

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Richard de Clare

Amice of Gloucester

Sir Gilbert de Clare

Isabel Marshal

Sir Richard de Clare

Maud de Lacy

Sir Gilbert de Clare

Joan of Acre

Margaret de Clare

Hugh de Audley

Margaret de Audley

Ralph de Stafford

Sir Hugh de Stafford

Philippa de Beauchamp

Margaret de Stafford

Philippe Neville

Joan Dacre

Matilda Clifford

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