He is married to Mahaut de Tenremonde.
They got married
Child(ren):
Avoué d'Arras. Se rendit deux fois en Terre Sainte.
Inherited the English estates. Feudal baron (2nd class) of Rothersthorpe, Northants.This went to his son Daniel who d. 1226, then to his brother Robert then sold to a cousin Robert de Guînes and transferred to Ingram de Fiennes in 1248, eventually being forfeit to the crown.
Guillaume de Béthune | |||||||||||||||||||||||||||||||||||||||
Mahaut de Tenremonde |