Family Relationship of

Gilbert de Clare

Magna Carta Surety

22nd Great-grandfather to

John Adams Morgan

1952 Olympic Sailing Gold Medalist

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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

Abigail Brown

Edward Brooks

Peter Chardon Brooks

Ann Gorham

Abigail Brown Brooks

Charles Francis Adams

John Quincy Adams

Frances Cadwallader Crowninshield

Charles Francis Adams

Frances Lovering

Catherine Frances Lovering Adams

Henry Sturgis Morgan

John Adams Morgan

Olympic Gold Medalist