Eustace I de Boulogne Ct de Boulogne
Eustace I de Boulogne was born in 1004.  He died at the age of 43 in 1047.

 Mahaut de Louvain
Mahaut was born in 1006.  Mahaut is no longer alive.

 Lambert de Lens Ct de Lens
Lambert de Lens was born in 1022 in of Lens,Normandy,France.  He died at the age of 32 in 1054 in France.

 Eustace II de Boulogne Ct de Boulogne
Eustace II de Boulogne was born in 1030 in Boulogne,Lorraine,France.  He died at the age of 63 in 1093.

 Ida de Boulogne