Baudouin IV De Hainault
Baudouin IV was born in 1108 in Mons, Hainault, Flanders.  He died at the age of 63 on November 8th, 1171.

 Alix De Namur
Alix was born about 1121 in Namur, Flanders.  She died in November 1195.

 Agnes De Hainault
Agnes was born in 1141 in Mons, Hainault, Belgium.  She died at the age of 33 in 1174.

 Laurette De Hainault
Laurette was born in 1142 in Hainault, Flanders.  She died at the age of 39 on August 9th, 1181.

 Baudouin VIII De Hainault
Baudouin VIII was born in 1150 in Hainault, Flanders, Belgium.  He died at the age of 45 on December 17th, 1195 in Mons, Hainault, Belgium.

 Yolande De Hainault
Yolande was born about 1153.