| Father | Male Alexandre Lacoste |
| Born | 1665 | France |
| Died | 10 Apr 1737 | Chambly, Quebec, Canada |
| Buried | ||
| Married | 24 Apr 1690 | Chambly, Quebec, Canada |
| Father | Olivier Lacoste | F16331 Group Sheet | |
| Mother | Jeanne Bastier | F16331 Group Sheet | |
| Mother | Female Marie Marguerite Deneau |
| Born | 05 Jul 1671 | Montreal, Québec, Canada |
| Died | 16 Oct 1737 | Boucherville, Chambly, Montérégie, Quebec, Canada |
| Buried | ||
| Father | Jean Deneau | F16328 Group Sheet | |
| Mother | Helene Dodin | F16328 Group Sheet | |
| Child 1 | Male Francois LaCoste Languedoc |
| Born | 18 Apr 1691 | Québec City, Québec, Canada |
| Died | 07 Sep 1762 | St Anne de Bellevue, Quebec, Canada |
| Buried |
| Child 2 | Female Helene Lacoste Languedoc |
| Born | 01 Jul 1692 | Longueuil, Monteregie, Quebec, Canada |
| Died | 24 Apr 1777 | Repentigny, Québec, Canada |
| Buried | ||
| Spouse | Jean Baptiste Meunier Lapierre | F50328 | |
| Married | 16 Oct 1712 | Boucherville, Chambly, Montérégie, Quebec, Canada |
| Child 3 | Male Jean Baptiste Lacoste Languedoc |
| Born | 22 Jun 1694 | Ste Famille, L'Île-d'Orléans, Québec, Canada |
| Died | 17 Dec 1775 | Richelieu, Quebec, Canada |
| Buried | ||
| Spouse | Marie Madeleine Pineault Baudet | F180292 | |
| Married | 25 Oct 1723 | Boucherville, Chambly, Montérégie, Quebec, Canada |
| Child 4 | Female Marguerite Lacoste dit Languedoc |
| Born | 23 Apr 1696 | Boucherville, Chambly, Montérégie, Quebec, Canada |
| Died | 21 Aug 1696 | Boucherville, Chambly, Montérégie, Quebec, Canada |
| Buried |
| Child 5 | Female Marie Angelique Lacoste dit Languedoc |
| Born | 02 Jul 1697 | Boucherville, Chambly, Montérégie, Quebec, Canada |
| Died | 24 Apr 1777 | Repentigny, Québec, Canada |
| Buried |
| Child 6 | Male Andre Lacoste dit Languedoc |
| Born | 18 Apr 1698 | Chambly, Quebec, Canada |
| Died | 10 Feb 1770 | Chambly, Quebec, Canada |
| Buried |
| Child 7 | Male Louis Jean Baptiste Lacoste Landguedoc |
| Born | 18 Apr 1699 | Longueuil, Monteregie, Quebec, Canada |
| Died | 30 Jan 1759 | |
| Buried |
| Child 8 | Male Antoine DePadouee Lacoste |
| Born | 26 Jun 1701 | Longue-Pointe, Quebec, Canada |
| Died | 02 Mar 1749 | Vercheres, Quebec, Canada |
| Buried | ||
| Spouse | Marie Favreau | F16318 | |
| Married | 13 Apr 1722 | Chambly, Quebec, Canada |
| Child 9 | Female Marguerite Marie Lacoste |
| Born | 14 Jun 1705 | Québec, Canada |
| Died | 19 Apr 1788 | Contrecoeur, Vercheres, Quebec, Canada |
| Buried |