Isaac LEBLANC, son of Juan & Hosite MELANZON of New England, married on 16 Nov 1789 to Maria ARCENOT, daughter of Joseph & Maria BERGERON. Witnesses: Pedro BERNARD; Maria LeBLANC; Joseph THERIOT [which?]. Recorded at St. James Catholic Church, St. James, LA (SJA-2, 8).
Was one of the witnesses his former father-in-law, or perhaps his brother-in-law?