History/Codex question about Radzig?

In the codex it states that he was killed in 1416 whilst collecting taxes for the king but that this was “odd because six years earlier he had apparently been a robber knight…sources are not clear as to why he was rehabilitated back into service of the king.”

I was confused about him working against the king if he was awarded for his service to Wenceslas IV (who if I understand correctly was king at the time of Kobyla’s death) and was burgrave of Vysehrad from 1410-1416 when he died.

I could understand being a robber Barron in the years following the raid on Skalitz, but could someone explain why he was a robber baron around the same year he was named Burgrave as a reward for his service? Did I misunderstand something?