Baldwin XI
Baldwin was born in July 1171 in Hainaut, Belgium.  He died at the age of 33 on June 11th, 1205.

 Marie De Champagne
Marie was born about 1171 in Champagne, France.  She died on August 29th, 1204.

 Countess Of Flanders & Hainault Marguerite
Countess Of Flanders & Hainault was born on June 2nd, 1202 in Valenciennes, Nord, France.