- b.~ 1040 in Bailleul-en-Vimeu, Picardy, France d.~ 1086
- b.~ 1065 in Bailleul-en-Vimeu, Picardy, France d.< 1122
- b.~ 1100 in Bywell, Northumberland, England d.1153
- b.~ 1120 in Bywell, Northamptonshire, England
- b.~ 1105
- b.~ 1137 in Bidwell, Northamptonshire, England