William De St Pierre De Meschines
William De St Pierre was born about 1103 in Gernon Castle, Normandy, France.  He died in 1130 in Egrement and Copeland, Cumberland, England.

 Cecily De Rumilly
Cecily was born about 1100 in Skipton-in-Craven, Yorkshire, England.  She died in 1152.

 Maud De Meschines
Maud was born in 1117 in Egremont, Cumberlandshire, England.  She died after 1190.

 Alice De Meschines
Alice was born about 1121 in Copeland, Cumberland, England.  She died in 1187.

 Johans De St Pierre
Johans De was born about 1143 in St Pierre & Runstone, Chepstow, Monmouthshire, Wales.