Count Baldwin V (Count of Hainaut & Flanders) Hainault
Baldwin V, known as Count of Hainaut & Flanders, was born in 1150.  He died at the age of 45 on December 17th, 1195.

 Countess Marguerite De Flanders
She died on November 15th, 1194.

 Queen Isabelle Hainault
Isabelle was born in 1170.  She died at the age of 20 on March 15th, 1190.