John Fitzgilbert
John was born about 1126 in Normandy, France.  He died in 1164.

 Sibyl De Evereux
Sibyl was born about 1127 in Wiltshire, England.  She died after 1155.

 William Marshal
William was born about 1146 in Normandy, France.  He died on May 14th, 1219 in Caversham, , England.  He was buried in Temple Church, London, Middlesex, England.