John de Mowbray
3rdBaron Mowbray 11th Baron of Thirsk
Arms of the Mowbray Family
Born	29 November 1310 Hovingham,Yorkshire
Died	4 October 1361 (aged 50) York
Buried	Franciscan Friars Minor,Bedford
Noble family	House of Mowbray
Spouses	Maud de Holand Joan of Lancaster Elizabeth de Vere
Issue Detail	John de Mowbray, 4th Baron Mowbray Blanche de Mowbray Eleanor de Mowbray
Father	John de Mowbray, 2nd Baron Mowbray
Mother	Aline de Brewes

John (II) de Mowbray, 3rd Baron Mowbray (29 November 1310 – 4 October 1361) was the only son ofJohn de Mowbray, 2nd Baron Mowbray, by his first wife, Aline de Brewes,^[1] daughter ofWilliam de Braose, 2nd Baron Braose. He was born inHovingham, Yorkshire.^[1]

Mowbray's father, the 2nd Baron, sided withThomas, 2nd Earl of Lancaster, at theBattle of Boroughbridge on 16 March 1322 againstEdward II, and was taken prisoner at the battle. He was hanged atYork on 23 March 1322, and his estates forfeited.^[1] His wife and son John were imprisoned in theTower of London until Edward II was deposed by his wife,Queen Isabella, andRoger Mortimer, 1st Earl of March.

The Mowbrays were released in 1327. The 3rd Baron de Mowbray was reportedly inEdward III's good graces, being present in France in theWar of the Breton Succession for the sieges ofNantes and Aguillon. He was also on the English side at theBattle of Neville's Cross in theSecond War of Scottish Independence. He died of the plague atYork on 4 October 1361, and was buried at the Friars Minor inBedford.^[2]

He married firstly, before 26 February 1322, Maud de Holand, daughter ofRobert de Holland, 1st Baron Holand, by Maud la Zouche, daughter and coheiress ofAlan la Zouche, 1st Baron la Zouche of Ashby. The marriage was later declared void.^[3] He married secondly, between 28 February 1327 and 4 June 1328,Joan of Lancaster, sixth and youngest daughter ofHenry, 3rd Earl of Lancaster, by whom he had a son and two daughters:^[3]

• John de Mowbray, 4th Baron Mowbray.^[3][4]
• Blanche Mowbray (d. 21 July 1409), who was contracted to marry Edward de Montagu (d. before February 1359), son and heir apparent of Edward de Montagu, 1st Baron Montagu (died 3 July 1461), byAlice of Norfolk, daughter and heiress ofThomas of Brotherton; however the marriage did not take place. She married firstly, bypapal dispensation dated 21 March 1349, John de Segrave (d. before 1 April 1353), son and heir apparent ofJohn Segrave, 4th Baron Segrave byMargaret, Duchess of Norfolk, daughter and heiress ofThomas of Brotherton; secondly, as her second husband, Sir Robert Bertam (d.1363); thirdly, before 5 June 1372,Thomas de Poynings, 2nd Baron Poynings (d. before 25 June 1375), son and heir ofMichael de Poynings, 1st Baron Poynings; fourthly, before 21 March 1378, Sir John de Worth (d. before 1 June 1391); and fifthly, before 5 November 1394, Sir John Wiltshire. She had no issue by any of her husbands.^[5]
• Eleanor Mowbray, who married firstly, as his second wife,Roger la Warr, 3rd Baron De La Warr (d. 27 August 1370),^[6] by whom she had a daughter, Joan La Warr, who marriedThomas West, 1st Baron West; and secondly Sir Lewis Clifford ofPrinces Risborough,Buckinghamshire, brother of Hugh de Clifford.^[6][7][8][9]

He married thirdly, bypapal dispensation of 4 May 1351,Elizabeth de Vere (d. 14 or 16 August 1375), widow ofSir Hugh Courtenay (d. before 2 September 1349), and daughter ofJohn de Vere, 7th Earl of Oxford, byMaud de Badlesmere, daughter ofBartholomew de Badlesmere, 1st Baron Badlesmere.^[2] After Mowbray's death, his widow, Elizabeth de Vere, married, before 26 November 1368, Sir William de Cossington.^[2]

• Archer, Rowena E. (2004). "Mowbray, John (III), fourth Lord Mowbray (1340–1368)".Oxford Dictionary of National Biography (online ed.). Oxford University Press.doi:10.1093/ref:odnb/19452. (Subscription,Wikipedia Library access orUK public library membership required.)
• Cokayne, G.E. (1916).Vicary Gibbs & H.A. Doubleday (eds.).The Complete Peerage. Vol. 4 (2nd ed.). London: St. Catherine Press. pp. 145–6.
• Richardson, D. (2011). Kimball G. Everingham (ed.).Magna Carta Ancestry. Vol. II (2nd ed.). Salt Lake City.ISBN 978-1449966386.{{cite book}}: CS1 maint: location missing publisher (link)
• Richardson, D. (2011). Kimball G. Everingham (ed.).Magna Carta Ancestry. Vol. III (2nd ed.). Salt Lake City.ISBN 978-1449966393.{{cite book}}: CS1 maint: location missing publisher (link)
• Richardson, D. (2011). Kimball G. Everingham (ed.).Magna Carta Ancestry. Vol. IV (2nd ed.). Salt Lake City.ISBN 978-1460992708.{{cite book}}: CS1 maint: location missing publisher (link)
• Burke, Sir Bernard (1962). "Mowbray-Earls of Nottingham, Dukes of Norfolk, Earls-Marshal, Earls of Warren and Surrey".A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages, of the British Empire. London:Wm Clowes and Sons, Ltd. p. 387.

• 1310 births
• 1361 deaths
• 14th-century English nobility
• Barons Mowbray
• People from Hovingham
• People of the Wars of Scottish Independence
• Mowbray family

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