Baldwin IX "Le Batisseur"
Baldwin IX "Le was born in 1108 in Mons, Hainault, Belgium.  He died at the age of 63 in 1171.

 Countess de Namur Alix
Countess de Namur was born about 1124 in Namur, Belgium.  She died in November 1168.

 Laurette De Hainault
Laurette was born about 1137 in Hainault, Belgium.  She died on August 9th, 1181.

 Baldwin X
Baldwin was born in 1140 in Mons, Hainault, Belgium.  He died at the age of 55 on December 17th, 1195.

 Agnes De Hainault
Agnes was born about 1142 in Mons, Hainaut, Belgium.  She died about 1168.

 Yolande de Hainault
Yolande was born about 1144.

 Lawrence de Hainault
Lawrence was born about 1146.