In 1265 he joined the uprising of the Barons against the King.
In 1265 he joined the uprising of the Barons against the King. He succeeded to the title of 8th Earl of Angus around June 1267. In 1281 he was one of the Nobles who swore to ratify the marriage of Margaret of Scotland to Eric, King of Norway. He held the office of Governor of Dundee, Forfar Castle and Angus in 1291. In 1291 he refused to surrender Angus to England.
Children of Gilbert de Umfreville, 8th Earl of Angus and Elizabeth Comyn
* Gilbert de Umfreville d. b 23 May 1303 * Robert de Umfreville, 9th Earl of Angus b. b 1277, d. Mar 1325