In Cleopatra to Christ Ralph reveals the tue ancestry of Jesus, which is actually more surprising than the cover and title suggest. These are no mere shots in the dark as again, evidence and translation being the allies of Ralph, he proves his point again and again.
Scota is slightly lacking in evidence compared to his other works, however make no mistake, there's still plenty of proof. This is probably only down to the lack of pict presense in Ireland, and it explains much about Irish/Welsh/Scottish culture that you never would have guessed.