http://nl.wikipedia.org/wiki/Burchard_van_Avesnes
Hun huwelijk werd later onwettig verklaard.
He is married to Margaretha van Constantinopel.
They got married before July 23, 1212 at Le Quesnoy, Nord-Pas-de-Calais, Frankrijk.
Child(ren):
Burchard (Bouchard) van Avesnes | ||||||||||||||||||||||||||||||||||||
< 1212 | ||||||||||||||||||||||||||||||||||||
Margaretha van Constantinopel |
The data shown has no sources.