Original sentence: Alexander's use of this title, if it were provocation, would have been compunded in the king's mind by the fact that Alexander's uncle John Mór MacDonald was harbouring and protecting James Mór (or James the Fat), the son of Duke Murdoch, while James Mór was claiming James' throne
Edited sentence: Alexander's use of this title, if it were provocation, would have been compounded in the king's mind by the fact that Alexander's uncle John Mór MacDonald was harbouring and protecting James Mór (or James the Fat), the son of Duke Murdoch, while James Mór was claiming James' throne