| b 1136, Of, Hinckley, Leicestershire, England | Robert De Grentmesnil | > | 61 27 May 1936, !& | Hugh De Grentmesnil, Lord of Hinckley | Hawise De Eschauffen | > |
| Ivo De Grentmesnil | b 1032 | |||
| | b 1064 | Alice Adeliza De Beaumont | |||
| Hugh II De Grentmesnil, Baron | d 1118 | b 1034 | Ralph De Gand | > |
| |b 1092 | | | Gilbert De Gaunt | Gisele | |
| | 61 27 May 1936 | Felia De Gaunt | b 1048 | Hugh De Montfort, [Count] | |
| | | b 1070 | Alice De Montfort | ||
| Alice De Grentmesnil | b 1050 | |||
| | | | | |||
| | | | | |||
| Mrs. Hugh De Grentmesnil | ||||
| b 1105 | | | |||