Family Relationship of

Alan Turing

WWII Codebreaker of Nazi Enigma Machine

23rd Great-grandson to

Roger le Bigod

Magna Carta Surety

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Roger le Bigod

Ida de Tony

Mary le Bigod

Ranulph FitzRobert

Sir Ralph FitzRanulph

Anastasia de Percy

Mary FitzRanulph

Robert de Neville

Sir Ranulph de Neville

Euphemia de Clavering

Sir Ralph de Neville

Alice de Audley

Sir John de Neville

Maude de Percy

Sir Ralph Neville

Joan Beaufort

Cecily Neville

Sir Richard Plantagenet

Edward IV, King of England

Elizabeth Woodville

Elizabeth of York

Henry VII, King of England

Margaret Tudor

James IV, King of Scotland

James V, King of Scotland

Margaret Erskine

James Stewart

Agnes Keith

Elizabeth Stewart

Grizel Stewart

Elizabeth Innes

Grizel Brodie

Catharine Dunbar

Anne Ogilvie

James Turing

John Turing

John Robert Turing

Jean Stewart Fraser

Rev. John Robert Turing

Fanny Montague Boyd

Julius Matheson Turing

Ethel Sara Stoney

Alan Turing

WWII Codebreaker of Nazi Enigma Machine