If they didn't live exactly in Ste-Anne de Ristigouche, they certainly were in the area. I believe this may be the couple you're seeking:

Thomas Arsenault s/o Felix & Sara Guitard
born Caplan, QC 17 Jun 1875
died Campbellton, NB 11 Jan 1968
Marie Bujold d/o Lazare & Angelique Gauthier
born New Carlisle, QC … 1880
died Campbellton, NB … 1965
m Caplan, QC 16 Apr 1899

This couple had 12 children born at Caplan between 1903 and 1922: Rose 1903, Joseph 1905, Clement 1907, Lazare 1909, Eva 1911, Philippe 1912, Virginie 1914, Clement 1916, Napoleon 1918, Alfred 1919 (twin), Henri 1919 (twin), and Justine 1922. Hope this is the family you want.