Enguerrand I Sire de Boves & de Coucy
Enguerrand I Sire de Boves & de was born in 1052 in Boves, Somme, France.  He died at the age of 64 in 1116.

 Ada de Roucy
Ada de was born in 1054 in Marle, France.  Ada de is no longer alive.

 Thomas de Coucy , Count of Amiens
Thomas de was born in 1082 in Coucy, France.  He died at the age of 49 in 1131.