Family Relationship of

Gilbert de Clare

Magna Carta Surety

19th Great-grandfather to

Horace Gray

U.S. Supreme Court Justice

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Gilbert de Clare

Isabel Marshal

Sir Richard de Clare

Maud de Lacy

Thomas de Clare

Juliana FitzMaurice

Margaret de Clare

Bartholomew de Badlesmere

Margery de Badlesmere

Thomas de Ros

Margaret de Ros

Sir John Grey

Alice Grey

Sir Edmund Knyvet

Edmund Knyvet

John Knyvet

Abigail Knyvet

Muriel Sedley

Muriel Gurdon

Nathaniel Saltonstall

Elizabeth Ward

Elizabeth Saltonstall

Rev. Rowland Cotton

Joanna Cotton

Rev. John Brown

Elizabeth Brown

John Chipman

Elizabeth Chipman

William Gray

Horace Gray

Harriet Upham

Horace Gray

U.S. Supreme Court Justice