Family Relationship of

Gilbert de Clare

Magna Carta Surety

21st Great-grandfather to

John Kerry

68th U.S. Secretary of State

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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

Margaret Grey

William Bonville

William Bonville

Cecily Bonville

Cecily Grey

Sir Henry Dudley

Probable

Roger Dudley

Susanna Thorne

Gov. Thomas Dudley

Katherine Deighton

Gov. Joseph Dudley

Rebecca Tyng

Anne Dudley

John Winthrop

John Still Winthrop

Jane Borland

Thomas Lindall Winthrop

Elizabeth Bowdoin Temple

Robert Charles Winthrop

Elizabeth Cabot Blanchard

Robert Charles Winthrop

Elizabeth Mason

Margaret Tyndal Winthrop

James Grant Forbes

Rosemary Isabel Forbes

Richard John Kerry

John Kerry

68th U.S. Secretary of State