Ivo de Harcourt
Ivo was born about 1130 in Shenton, Leicestershire, England.  He died before 1180.

 Agnes Alive de Braose
Agnes Alive was born in 1130 in Bramber Castle, Sussex, England.

 Robert de Harcourt
Robert was born about 1152 in Bosworth, Leicestershire, England.  He died in 1202.

 Margaret de Harcourt
Margaret was born in 1165.