Family Relationship of

William the Conqueror

King of England

27th Great-grandfather to

Thomas J. Watson, Jr.

President and CEO of I.B.M.

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William the Conqueror

Matilda of Flanders

Henry I, King of England

Maud of Scotland

Maud of England

Geoffrey Plantagenet

Henry II, King of England

Eleanor of Aquitaine

John, King of England

Isabelle of Angoulême

Sir Richard of Cornwall

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Sir Walter de Cornwall

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Margaret de Cornwall

James Peverell

Sir Hugh Peverell

Margaret Cobham

Thomas Peverell

Margaret Courtenay

Katherine Peverell

Sir Walter Hungerford

Sir Robert Hungerford

Margaret Botreaux

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.