Simon (sir) de VERE
Simon (sir) de was born about 1235 in hedingham Castle, Essex, England.  He died before September 3rd, 1270.

 Ada BERTRAM
Ada was born about 1236 in Mitford, Northumberland, England.  Ada is no longer alive.

 Isabel de VERE
Isabel de was born about 1244 in Goxhill, Lincolnshire, England.