Sir Robert de Harcourt
Sir Robert was born about 1118 in Leicestershire, England.  He died in 1202.

 Isabel De Camville
Isabel was born about 1120 in Lilbourne Castle, Northamptonshire, England.

 Sir William de Harcourt
Sir William was born about 1145 in Stanton, Harcourt, England.  He died on April 6th, 1223.

 Oliver de Harcourt
Oliver was born about 1147.