Arthur: King of the Picts?

As mentioned in my recent article on the Abduction of Guinevere there is a possibility that her abduction spurred a war between Arthwys and the Picts. There are a few reasons to take this fairly seriously. The first is Lambert of Saint-Omer's work Liber Floridus, where he tell us of a palace in Pictland

There is a palace, in Britain in the Picts’ land, o…