Complex sentence: Among the belongings Churchill left on the ship Bligh found a list of names that he interpreted as possible accomplices in a desertion plot--he later asserted that the names included those of Christian and Heywood.
Split into simpler sentences: Among the belongings Churchill had left on the ship, Bligh found a list of names that he interpreted as possible accomplices in a desertion plot. He later asserted that the names included those of Christian and Heywood.