Eustace I Seigneur de Roeux
Eustace I Seigneur de was born about 1110 in Roeux, Pas de Calais, Normandy, France.  He died in 1192 in Holy Land.

 Marie de Mons
Marie de was born about 1115 in Mons, Hainault, Belgium.  She died in 1174.

 Eustace II Seigneur de Roeux
Eustace II Seigneur de was born about 1139 in Roeux, Pas de Calais, Normandy, France.  He died in June 1186.