Parents
- Pierre Mourain (c. 1718 - 1763), sieur de La Bigeonnière, notaire à Saint-Jean-de-Monts
- Marie Anne Taconnet, demoiselle
Family
- Married on February 3, 1778 in Saint-Jean-de-Monts, with Pierre Rousseau, noble homme, avocat au parlement de Paris, juge, issuing
Louise (1790 - )