Oh exciting! I've actually lived in France before myself - once on a year abroad and once for a teaching practice as part of my training :D
I think they could definitely be two to see how they get along by playing them out, but from a basic standpoint they seem to have a few things in common, which is good!
More Slytherin bros is always a good thing, Leon says ;) Especially cat guys, because they're a rare breed. (Boom boom.)