Sir Guy de Bryan, 1st and last Lord Bryan was also known as Sir Guy de Brian. He was also known as Sir Guy de Briene. He was also known as Sir Guy de Bryene. He held the office of Warden of the Forest of Dean between 1341 and 1390. He held the office of Governor of St. Briavel's Castle between 1341 and 1390. On 15 January 1349/50 he was awarded 200 marks p.a. for bearing the King's standard against his enemies at Calais. He was created 1st Lord Bryan [England by writ] on 25 November 1350. He held the office of Ambassador to the Pope in 1361. He held the office of Admiral of the Fleet in 1369. He was invested as a Knight, Order of the Garter (K.G.) on 31 December 1369.