No parents found for Donat. This might have been him: https://familysearch.org/pal:/MM9.1.1/MM7P-32J
The parents of Mary Vanasse were Francois Vanasse-Vertefeuille and Marguerite Regniere. Marriage:On February 11, 1851in Saint-PaulinTown/District: Francois Vanasse-Vertefeuille Son of [ Francois Vanasse-Vertefeuille & Marie-Louise Lemay ] andMarguerite Regniere Daughter of [ Joseph Regniere & Angele Herou ]
27. FRANCOIS VANASSE DIT VERTEFEUILLE (FRANCOIS6, JOSEPH5, NICOLAS4, NICOLAS3, FRANCOIS NOEL2 VANASSE, PAUL1) was born Aft. 1812 in Quebec, and died February 27, 1903 in Scarboro Kewaunee County Wisconsin. He married MARGUERITE REGNIERE February 11, 1851 in St. Paulin de Maskinonge , Quebec. She was born Abt. 1830, and died October 12, 1895 in Michigan. FRANCOIS SETTLED IN SCARBORO KEWAUNEE COUNTY IN WISCONSIN .