William Bertram I

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William Bertram I

William was born in 1080 in Mitford, Northumberland, England.¹ William's father was Sir Richard Bertram and his mother was Sibilla de Mitford. His paternal grandparents were William Bertram and Gisela de Bastenburg; his maternal grandparents were John de Mitford and De Mitford. He was an only child.

Ancestor Pedigree Chart
- William Bertram
  - b.1020 in Dignam, Normandy, France
  
  Sir Richard Bertram
  - b.1045 d.1086
  
  Thurstan de Bostenburgh
  - b.1000
  
  Gisela de Bastenburg
  - b.1021 in Normandy
  
  <Unknown>
  
  William Bertram I
  - b.1080 in Mitford, Northumberland, England
  
  Mitford
  - b.1028
  
  John de Mitford
  - b.1026
  
  <Unknown>
  
  Sibilla de Mitford
  - b.1048
  
  De Mitford
  - b.1026

Details of William's family with Hawise de Baliol

Details of William's family with Hawise de Merlay

¹ http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=arciek&id=I19463

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