Baudouin IV Hainaut Count
Baudouin IV was born about 1110.  He died on November 8th, 1171.

 De Namur Alix
De Namur was born about 1114.  She died in 1195.

 Agnes De Hainault
Agnes De was born about 1142.  She died before 1174.

 V, Count of Hainault Baldwin
V, Count of Hainault was born in 1150 in of,Hainaut,France.  He died at the age of 45 in 1195.