Complex sentence: Sir James MacDonald was seriously wounded after being shot through the body with an arrow; he was found after the battle amongst 30 dead MacDonalds, which also included Angus MhicMhuirich of Arran.
Split into simpler sentences: Sir James MacDonald was seriously wounded after being shot through the body with an arrow. He was found after the battle amongst 30 dead MacDonalds, which also included Angus MhicMhuirich of Arran.