Ivo (Ives)
Ivo was born about 1064 in Grentemesnil, Calvados, France.  He died in 1118 in Hinckley, Leicestershire, England.

 Felia de Gaunt
Felia was born about 1070 in Folkingham, Lincolnshire, England.

 Ivo II de Grentmesnil
Ivo II was born about 1090.

 Hugh II de Grentmesnil
Hugh II was born about 1092 in Hinckley, Leicestershire, England.