Family Relationship of

Thomas J. Watson, Jr.

President and CEO of I.B.M.

24th Great-grandson to

Gilbert de Clare

Magna Carta Surety

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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

Maud de Badlesmere

John de Vere

Margaret de Vere

Henry de Beaumont

Sir John de Beaumont

Katherine de Everingham

Elizabeth Beaumont

Sir William Botreaux

Margaret Botreaux

Sir Robert Hungerford

Eleanor Hungerford

Robert White

Margaret White

Stephen Kirton

Thomas Kirton

Mary Kirton

Edward Rainsford

Mary Rainsford

Nathan Bassett

Mary Bassett

Jedidah Smith

Jedidah Sumner

Mary Kingsbury

Mary Hamilton

Oliver Kittredge

Arthur Melville Kittredge

Mary Jeannette Broadwell

Mary Jeannette Kittredge

Thomas John Watson

Thomas J. Watson, Jr.

President and CEO of I.B.M.