John de Mowbray, 3rd Lord (Baron) Mowbray, JP (Lincs 1351); born 29 Nov 1310; incarcerated in Tower of London 26 Feb 1321/2, presumably for complicity in the father's rebellion; Keeper of Berwick-upon-Tweed 1340-41, a commander at English victory over the Scots of Neville's Cross 1346; married 1st 1325 Joan, 6th and youngest daughter of 3rd Earl of Lancaster, grandson of Henry III and had issue; married 2nd Elizabeth, daughter of the 7th Earl of Oxford and widow of Hugh de Courtenay, son of the 2nd Earl of Devon of the Feb 1334/5 creation, and died 4 Oct 1361. [Burke's Peerage]
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John de Mowbray, 3rd Lord Mowbray of Thirsk, MP 1327-1360. [Magna Charta Sureties]
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John de Mowbray, 3rd baron, was summoned to parliament from 10 December, 1327, to 20 November, 1360. This nobleman found much favour from King Edward III, who, in consideration of the eminent services of his progenitors, accepted his homage and gave him full livery of his lands before he came of full age. He was subsequently the constant companion in arms of his martial sovereign, attending him in his glorious campaign in France where he assisted at the siege of Nantes and the raising that of Aguillon. He was likewise at the celebrated battle of Durham (20th Edward III) [1347], and at one time was governor of Berwick-upon-Tweed. His lordship m. the Lady Joan Plantagenet, dau. of Henry, Earl of Lancaster, by whom he had issue, John, his successor. Lord Mowbray, who was styled in the charters, Lord of the Isle of Axholme, and of the honour of Gower and Bramber, d. in 1361, and was s. by his son, John de Mowbray, 4th baron. [Sir Bernard Burke, Dormant, Abeyant, Forfeited, and Extinct Peerages, Burke's Peerage, Ltd., London, 1883, p. 387, Mowbray, Earls of Nottingham, Dukes of Norfolk, Earls-Marshal, Earls of Warren and Surrey]
Name Suffix:<NSFX> [BARON MOWBRAY]/
Ancestral File Number:<AFN> 9GWB-7M