William de Meschines
William was born about 1100 in Gernon Castle, Normandy.  He died about 1132 in Egremont, Cumberland, England.

 Cecily De Rumilly
Cecily was born about 1096 in Normandy.  She died about 1155.

 Alice De Rumilly
Alice was born about 1120 in Gernon Castle, Normandy, France.  She died in 1187.

 Maud(Mathilda) De Meschines
Maud(Mathilda) was born about 1122 in Harringworth, Northants, England.  She died after 1190.