William De Meschines
William was born in 1072 in Gernon Castle, Normandy, France.  He died at the age of 58 in 1130.

 Cecily Rumilly
Cecily was born in 1100 in Normandy, France.

 Maud De Meschines
Maud was born about 1120 in Gernon Castle, Normandy, France.  She died after 1190.