Powys-Lybbe Forbears - Person Sheet
Powys-Lybbe Forbears - Person Sheet
NameWilliam I Bertram 
[60, Bertram article, Vol II, p. 160, note (a)], [121, Mitford Northumberland barony (2nd class), p. 131], [80, Willelm Bertram, p. 467]
[60, Bertram article, Vol II, p. 160, note (a)], [121, Mitford Northumberland barony (2nd class), p. 131], [80, Willelm Bertram, p. 467]Deathaft 1152
GeneralFeudal baron (2nd class) of Mitford, Northumberland.
Notes for William I Bertram
K-R, DP 467: Possibly a descendant of the Domesday Tenant-in-chief Willelm Bertram who was possibly younger son of Robert Bertram and Susanna and from Bricquebec, Calvados, Normandy.