Question

What was the first thing that cast doubt on the authenticity of the king being Peter Wilks's English brother?

Answer 1

the answer is his arrival in town in a canoe. i just got this right

Answer 2

I believe that the first thing that cast doubt on the authenticity of the king being Peter Wilk's English brother is his illiteracy and inability to write. He struggles with the word funeral obsequies, instead he says funeral orgies.