Hello Arthur, Francois Sevigny married Angele Houde dit Desruisseau 18 FEb 1800 at St-Antoine-de-Tilly. He was the son of Jean Francois b. 1721 and his second wife Angelique Garnier (or Grenier) m. 8 Nov 1773 at St-Croix, Lotbiniere Cty. Angele Houde was the daughter of Charles Houde dit Desruisseau and Marie Angelique Houde m. 15 Feb 1779 at St-Antoine-de-Tilly. Joseph Sevigny who married Helene Langlois was the half brother of Francois who married Angele Houde dit Desruisseau. Joseph Sevigny's son Jean Francois b. 12 June 1786 m. Marie Josephte Frechette 23 Feb 1808 at St-Nicolas.