| Male Enguerrand de Mainières de Ponthieu |
| Birth | 1228 | |
| Death | 1260 | |
| Burial | ||
| Marriage | ||
| Father | Guillaume de Mainières de Ponthieu | F167 Group Sheet | |
| Mother | Clémence de Montmirail | F167 Group Sheet | |
| Female Blanche de Gamaches |
| Birth | 1235 | Gamaches, 80373, Somme, Picardie, FRANCE  |
| Death | 1297 | Maintenay, 62538, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE |
| Burial | ||
| Father | ||
| Mother | ||
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