Erard I De Brienne
Erard I was born about 1079 in France.  He died in 1114.

 Alix De Montdidier
Alix was born about 1090 in France.

 Walter II Comte De Brienne
Walter II was born about 1105 in Brienne-Le-Chateau, Aube, Champagne, France.  He died about 1158 in Ramerupt, Aube, Champagne, France.