 The Macdonalds of Sleat descend from Domhnall's son, Aonghas Mór; and then from his son, Aonghas Óg.Angus Óg's son, Eoin, was the first Lord of the Isles.Eoin I's first marriage was to Áine, heiress of "Clann Ruaidhrí" (which was founded by Ruaidhrí, elder brother to Domhnall, founder of Clan Donald).