[Kristoffer O]

Marignon was originally thought of as a southern France, northern Spain kind of nation; the albigensian crusade and the spanish inquisition; but considering the LA developments I'd say it is slightly more spanish then french. OTOH there is nothing that says that capitlas and cultures don't shift geographically.

And Marverni is as you say largely inspired by celts from Caesars war commentaries. While mainly french the celts were quite spread out. Galicia has a celtic legacy IIRC. I suppose there is a Galicia-Galli connection.