Genealogy Files - Person Sheet
NameJean I d’ Avesnes Count of Holland 
19
19Birth1 May 1218, Etraeungt, France19
Death24 Dec 125619
FatherSir Bouchard d’ Avesnes (1180-1244)
MotherMargaret of Hainault & Flanders (1202-1280)
Spouses
Birth1226, Netherlands
Death1283
BurialValenciennes
FatherFloris IV Count of Holland (1210-1235)
MotherMatilda of Brabant (~1190-1267)
Marriage9 Oct 1246, Dordrecht, Holland19
ChildrenJean/John II (1247-1304)