William De Meschines
William was born about 1100 in Gernon Castle, Normandy, France.  He died in 1139.

 Cecily De Rumilly
Cecily was born about 1100 in Normandy, France.  Cecily is no longer alive.

 Maud (Matilda) De Meschines
Maud (Matilda) was born in Harrington, Northhamptonshire, England.