Guillaume deHarcourt
Guillaume was born about 1100 in Harcourt,France.  He died about 1141 in Cailleville,Wales.

 Agnes D'Amboise
Agnes was born about 1102 in France.  She died after 1153.

 Ivo deHarcourt
Ivo was born about 1130 in Stanton Harcourt,Oxfordshire,England.  He died before 1167 in Stanton Harcourt,Oxfordshire,England.