Hugues de Pierrepont
Hugues de was born about 1120 in Hurst, Suffolk, England.  He died about 1188.

 Clemence de Rethel
Clemence de was born about 1122 in Rethel, Ardennes, France.  She died after 1191.

 Beatrix de Pierrepont
Beatrix de was born about 1140 in Suffolk, England.  She died after 1191.

 William de Pierrepont , Sir
William de was born about 1160 in Holywells, Suffolk, England.