Husband:  Jean, I, De Avesnes
   Born: APR 1218         at: Houffalize, Luxemborg, Belgium  
Married: SEP 1246         at: Frankfort Am Main, Hessen-Nassau, Prussia  
   Died: 24 DEC 1257      at: Valenciennes, Nord, France  
 Father:Bouchard De Avesnes
 Mother:Countess of Flanders and Hainault Marguerite
        Other Spouses: 
   Wife: Countess of Holland Aleida
   Born:                  at:   
   Died:                  at:   
 Father: Floris, IV, Count of Holland
 Mother:Princess of Brabant Mathilde
        Other Spouses: 
CHILDREN
   Name:  Jean, II, De Avesnes
   Born:                  at:   
Married: 1270             at:   
   Died: 22 AUG 1304      at: Valenciennes, Nord, France  
Spouses: Countess de Luxemborg Philippine