Raoul I Sire de Marle & de Coucy
Raoul I Sire de Marle & de was born in 1139 in Coucy, Ardennes, France.  He died at the age of 52 on November 1st, 1191 in Seige of Acre, Palestine.

 Alix de Dreux
Alix de was born about 1155 in Braine, Aisne, Picardy, France.  She died after 1217.

 Enguerrand III Sire de Perche & de Coucy
Enguerrand III Sire de Perche & de was born about 1175 in Coucy, Picardy, France.  He died in 1243.

 Thomas de Coucy , Seigneur de Vervins
Thomas de was born in 1185 in Coucy, Ardenne, France.  He died at the age of 58 on August 24th, 1243.