[PROJECT] History Lessons

The Salic Law was indeed written down during the reign of Clovis, but they had been living according to it for quite some time. It was simply that with the formation of the state, there was a need for unified, written laws.
Regarding the name of his wife, I've never been interested, to be honest.
As for the beliefs of the pagan Franks, they are very similar to the Scandinavian ones. For example, the supreme god is Wotan (analogous to Odin). Undoubtedly, there were some differences between the tribes, but in general, the pantheon of supreme gods was most likely common.