Dreux Ou Drogon De Mantes
Dreux Ou Drogon was born in 1012.  He died at the age of 23 in June 1035.

 Gode D'angleterre
Gode was born in 1015.  She died at the age of 41 in 1056.

 Radulph Le Timide De Guader
Radulph Le Timide was born in 1033.  He died at the age of 42 on December 21st, 1075.