Ancestry of
Alan Turing

WWII Codebreaker of Nazi Enigma Machine

William de Montagu

View famous kin of William de Montagu

• • 20th Great-grandfather of Alan Turing — 23rd Generation
  • Ahnentafel No:
  • 4323730 
  • Father:
  • William de Montagu 
  • Mother:
  • Elizabeth de Montfort   
  • Birth Date:
  • ABT 1302 
  • Birth Location:
  • Cassington, Oxfordshire, England 
  • Christening Date:
  •  
  • Christening Location:
  •  
  • Death Date:
  • 30 Jan 1343/1344 
  • Death Location:
  • Windsor, Berkshire, England 
  • Burial Date:
  •  
  • Burial Location:
  • Bisham Abbey, Berkshire, England 
  • Spouse Name:
  • Katherine de Grandison
  • Marriage Date:
  • ABT 1327 
  • Marriage Location:
  •  
  • Children:
  
  

  William de Montagu

  John de Montagu

  Sibyl de Montagu

  Philippa de Montagu (Ahnentafel No:2161865 )

  Elizabeth de Montagu

  Agnes de Montagu

  • Notes: 

  • 3rd Lord Montagu, 1st Earl of Salisbury, Earl Marshal of England, and King of the Isle of Man

    William Montagu's surname is also seen as Montacute.

• Sources for William de Montagu

  • ¹ Richardson, Douglas, Royal Ancestry: A Study in Colonial and Medieval Families, Salt Lake City, Utah: Douglas Richardson (2013), Vol. IV, pp. 114-118.
  • ² Richardson, Douglas and Kimball G. Everingham, Plantagenet Ancestry: A Study in Colonial & Medieval Families, 2nd Edition, Salt Lake City, Utah: Douglas Richardson (2011), Vol. III, p. 190.
  • ³ Wikipedia, "William Montagu, 1st Earl of Salisbury", _1st_Earl_of_Salisbury, (accessed 02/23/2010).