| Robert de Grentmesnil (~0990 - 1038) |
Yvres Ivo II de Beaumont Count Of Beaumont (~1005 - ) |
| Hawise d' Eschauffon (~1007 - ) |
Judith or Alice Beaumont (~1007 - ) |
| Hugh I de Grentmesnil | Adeliza Béatrice Alice de Beaumont |
| b. abt 1030, Of Grentemesnil, Calvados, Normandy, France d. 22 Feb 1094/1098, Leicestershire, England bur. occ. cen. im. . ud. |
b. abt 1035, Of Beaumont-Sur-Risle, France d. 1087 bur. occ. cen. im. . ud. |
| Spouses: 1, 2, 3 |
| Robert de Grentemesnil Ivo (Ives) de Grentmesnil Adeliza (Alice) de Grentemesnil Rohese de Grentmesnil Agnes de Grentemesnil |