The 6th High Steward, from 1309-1326. (letter from Philip B. Stewart, 6 Sabal Ct., Sewall's Pt., Stuart, Fl., 4/24/1990).

Shared command of left wing at Brannockburn, 1314. First governor of Scotland, 1316. Defended Berwick. Enganed in attempted surprise of Edward II at Byland Abbey, 1322 (The concise dictionary of national biography. Part 1 : from the beginnings till 1900. London : Oxford University Press, 1969, pg. 1251).