If the French song in question has the refrain: "Il ya longtemps que je t'aime, jamais je ne t'oublierai" then its A La Claire Fontaine. It's in (among other places) Folk Songs of Quebec by Edith Fowke and Richard Johnson.
"Il ya longtemps que je t'aime, jamais je ne t'oublierai"
then its A La Claire Fontaine. It's in (among other places) Folk Songs of Quebec by Edith Fowke and Richard Johnson.