He was also Chief of Clan Ross.
Aodh was a favorite of King Robert I of Scotland, who endowed him with many lands. Aodh even married Robert's sister, Maud. Aodh's young brother, Iain, was given marriage to the Margaret Comyn, heiress of Buchan (although he died childless).
With Maud, Aodh had six children. Four of them were daughters, including Euphemia de Ross. All received prestigious marriage partners (including to the Counts of Buchan and Moray, to Mormaer Maol Íosa IV, Earl of Strathearn and the future king Robert II.