Guillaume de Dampierre Count of Dampierre( - 3 Sep 1231) Henri II de Luxembourg Count of Luxembourg(1217 - 24 Dec 1281)
Marguerite I de Hainault Countess of Hainault(2 Jun 1202 - 10 Feb 1280) Marguerite de Bar Countess of Bar( - 23 Nov 1275)
m. 1264
Gui de Dampierre Count of Namur Isabelle de Luxembourg
b. ca 1227
d. 7 Mar 1305, In prison in Campeigne
Also count of Flanders.
b.  
d. 25 Sep 1298
 
Spouses: 1, 2
Children