| Male Gilbert de Lacy |
| Birth | 1202 | |
| Death | 25 Dec 1230 | |
| Burial | ||
| Marriage | ||
| Father | Walter de Lacy, Lord of Meath | F3388 Group Sheet | |
| Mother | Margaret de Braose, Lady of Trim | F3388 Group Sheet | |
| Female Isabel le Bigod |
| Birth | ||
| Death | ||
| Burial | ||
| Other Spouse | John Fitzgeoffrey, Lord of Shere and Justiciar of Ireland | F435 | |
| Marriage | ||
| Father | ||
| Mother | ||
| Female Maud de Lacy, Baroness Geneville |
| Birth | 1230 | |
| Death | 11 Apr 1304 | |
| Burial | ||
| Spouse | Geoffrey de Geneville, Seigneur of Vaucouleurs in Champagne, 1st Baron Geneville | F889 | |
| Marriage | ||
| Spouse | Peter de Geneva, Lord of Ludlow, Constable of Windsor Castle | F1507 | |
| Marriage | ||