Family Relationship of

Alan Turing

WWII Codebreaker of Nazi Enigma Machine

24th Great-grandson to

Henry de Bohun

Magna Carta Surety

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Henry de Bohun

Maud de Mandeville

Sir Humphrey de Bohun

Maud of Eu

Alice de Bohun

Roger de Tony

Alice de Tony

Sir Walter de Beauchamp

Roger de Beauchamp

- - - - - - - - - - - -

Sir Roger de Beauchamp

Sibyl de Pateshulle

Sir Roger de Beauchamp

Joan de Clopton

Sir Roger Beauchamp

Mary - - - - - -

Sir John Beauchamp

Edith Stourton

Margaret Beauchamp

John Beaufort

Margaret Beaufort

Edmund Tudor

Henry VII, King of England

Elizabeth of York

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