Alexandre Leblanc was born 1 July 1732, the son of Joseph LeBlanc and Anne Bourg and was baptized the following day at Saint Charles des Mines, Grand-Pré, Acadia, having as his godparents Alexandre Bougue dit Bellisle, undersigned and Marie Joseph Bourg.He married at Port Toulouse, about 1754, to Marguerite Boudrot, daughter of Joseph Boudrot and Marguerite Dugas.
Following the fall of Louisbourg, Alexandre and Marguerite found refuge in the Bay de Chaleurs, where he was captain in the Acadian militia. Taken prisoners in 1761, Alexander, Marguerite and their children were taken to Fort Cumberland, then Halifax. After the Paris Treaty in 1763, the family relocated to at the island Saint-Pierre-et-Miquelon in 1767.  where they stayed until 1774, when they then joined repatriating Acadians in establishing a new settlement on the north side of Isle Madame.
Historian Bona Arsenault reports Alexandre Leblanc and Marguerite Boudrot had 5 children:
+133. m i. Pierre BOUDROT, born 1727. He married Marie Josephe DUGAS. Marriage
Bona A, page 446. Notes for Pierre: Generation: Fourth. Birth: Bona A, page 443, 446. Marriage: Bona A, page 446. Ref: Bona Arsenault, page 443. "PIERRE BOUDROT, 1727, fis de Joseph et de Maarguerite Dugas, vers 1752, a Marie- Joseph Dugas. Il etait a l'ile Saint-Jean, en 1752."
+ 134. m ii. Joseph BOUDROT, born 1732.
Birth: Bona A, page 442, 443.
Marriage: Bona A, page 443. "JOSEPH BOUDROT, 1697, fils de Francois et de Marie-Madeleine Belliveau, marie vers, 1725, a Marguerite Dugas, fille d'Abraham et de Madeleine Landry. Efants: Pierre, 1727; Joseph, 1732, Louis, 1733; Marguerite, 1736, Charles, 1738. Il demeura aussi a Port-Toulouse, ile Royale."
+ 135. m iii. Louis BOUDROT, born 1733.
+ 136. f iv. Marguerite BOUDROT, born 1736. She married Alexandre LeBLANC, the son of Joseph (le Maigre) LeBLANC and Anne BOURG. Marriage
Bona A, page 446. Ref: Bona Arsenault, page 446. "... Alexandre LeBlanc, de Grand-Pre, ..." Notes for Marguerite: Generation: Fourth. Birth: Bona A, page 443, 446. Marriage: Bona A, page 446. Ref: Bona Arsenault, page 446. "MARGUERITE BOUDROT, 1736, fils de Joseph et de Marguerite Dugas, epousa Alexandre LeBlanc, de Grand-Pre, fils de Joseph det le Maigre et d'Anne Bourg."
+ 137. m v. Charles BOUDROT, born 1738, died 1810.
↑ Diocese of Baton Rouge, CATHOLIC CHURCH RECORDS; 1707-1769; vol. 1, Baton Rouge, LA, Diocese, 1978; p. 83; California State Library Sutro, F377 B3C3 v.1; Acadian records from Grand Pré, carried into exile to St. Gabriel Church of Iberville, LA. Alexandre LEBLANC, son of Joseph & Anne BOURG, born 1 Jul 1732. Sponsors: Alexander [sic] LeBORGNE dit BELISLLE [sic] & Marie Joseph [sic] BOURG. (SGA-2, 119).
↑ This individuals profile was initiated from information in the manuscript “The 70 signers of the Founding of Arichat Parish, Cape Breton”, published in 2006 by Lena White, readily available for reference at Ancestory.com. Ms. White attributes the facts and data in her manuscript to: Stephen A. White, article “Les fondateurs de la paroisse d'Arichat, Cap-Breton”, from Cahiers de la société historique Acadienne - Volume 23, Pagination 4 – 26, 1992