sentences:  For example, the royal grants to Aonghus Óg and Alasdair of the Isles—a man whose identity is uncertain—could be evidence that these two were competitors.Another apparent claimant to the chiefship, a certain Domhnall of Islay—whose identity is likewise uncertain—was present at the parliament of 1309.Furthermore, the "Bruce" states that when Robert I fled to Dunaverty Castle in 1306 he was fearful of treason during his stay.