John de Mowbray, 4th Baron Mowbray

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John de Mowbray, 4th Baron Mowbray
Baron Mowbray
Arms of Mowbray.svg
Arms of Mowbray: Gules, a lion rampant argent
Tenure4 October 1361 - 19 October 1368
PredecessorJohn de Mowbray, 3rd Baron Mowbray
SuccessorJohn de Mowbray, 1st Earl of Nottingham
Born24 June 1340
Epworth, Lincolnshire, England
Died19 October 1368
near Constantinople, Turkey
Spouse(s)Elizabeth de Segrave, 5th Baroness Segrave
IssueMargaret de Mowbray, Lady de Lucy
Joan de Mowbray, Lady Grey
Eleanor de Mowbray, Baroness Welles
John de Mowbray, 1st Earl of Nottingham
Thomas de Mowbray, 1st Duke of Norfolk
FatherJohn de Mowbray, 3rd Baron Mowbray
MotherJoan of Lancaster

John (III) de Mowbray, 4th Baron Mowbray (24 June 1340 – 19 October 1368) was an English peer. He was slain near Constantinople while en route to the Holy Land.


John de Mowbray, born 25 June 1340 at Epworth, Lincolnshire, was the son of John de Mowbray, 3rd Baron Mowbray, of Axholme, Lincolnshire, by his second wife, Joan of Lancaster, third daughter of Henry, 3rd Earl of Lancaster,[1][2][3] a grandson of King Henry III.


Mowbray and twenty-six others were knighted by King Edward III of England in July 1355[3] while English forces were at the Downs, before sailing to France. In 1356, he served in a campaign in Brittany.[2][3] He had livery of his lands on 14 November 1361; however, his inheritance was subject to the dower which his father had settled on his stepmother, Elizabeth de Vere.[3] By 1369, his stepmother had married Sir William de Cossington, son and heir of Stephen de Cossington of Cossington in Aylesford, Kent; not long after the marriage, she and her new husband surrendered themselves to the Fleet prison for debt.[2][4] According to Archer, the cause may have been Mowbray's prosecution of his stepmother for waste of his estates; he had been awarded damages against her of almost £1000.[3]

In about 1343, an agreement had been made for a double marriage between, Mowbray and Audrey Montagu, the granddaughter of Thomas of Brotherton, and Mowbray's sister, Blanche de Mowbray with Audrey's brother, Edward Montagu. Neither marriage took place.[3] Instead, about 1349, a double marriage took place between Mowbray and Elizabeth de Segrave (also granddaughter of Thomas of Brotherton), and Mowbray's sister Blanche with Elizabeth's brother, John de Segrave, Pope Clement VI having granted dispensations for the marriages at the request of Mowbray's grandfather, the Earl of Lancaster, in order to prevent 'disputes between the parents', who were neighbours.[5][3] Mowbray had little financial benefit from his marriage during his lifetime as a result of the very large jointure which had been awarded to Elizabeth's mother, Margaret of Brotherton, Duchess of Norfolk, who lived until 1399.[6][3] However, when Elizabeth's father, John de Segrave, 4th Baron Segrave, died on 1 April 1353, King Edward III allowed Mowbray to receive a small portion of his wife's eventual inheritance. Estate accounts for 1367 indicate that Mowbray enjoyed an annual income of almost £800 at that time.[3] Elizabeth then succeeded her father as 5th Baroness Segrave, her brother having predeceased their father.

Mowbray was summoned to Parliament from 14 August 1362 to 20 January 1366.[2] On 10 October 1367, he appointed attorneys in preparation for travel beyond the seas; these appointments were confirmed in the following year.[7] Mowbray was slain by the Turks near Constantinople while en route to the Holy Land.[8] A letter from the priory of 'Peyn' written in 1396 suggests that he was initially buried at the convent at Pera, opposite Constantinople;[9][10] according to the letter, 'at the instance of his son Thomas', his bones had been gathered and were sent to England for burial with his ancestors.[7]

His will was proved at Lincoln on 17 May 1369.[11][5] His wife Elizabeth predeceased him in 1368, by only a few months.[5]

Marriage and issue[edit]

Mowbray married, by papal dispensation dated 25 March 1349,[5] Elizabeth de Segrave (born 25 October 1338 at Croxton Abbey),[5] suo jure 5th Baroness Segrave, daughter and heiress of John de Segrave, 4th Baron Segrave (d. 1353),[3] and Margaret of Brotherton, Duchess of Norfolk, daughter and heiress of Thomas of Brotherton, son of King Edward I.[12] Through the marriage, the Mowbray family gained the estate in Framlingham, Suffolk, including Framlingham Castle, which became the main seat of power for the Mowbray family for most of the 15th century.[13]

They had two sons and three daughters:[12]


  1. ^ Richardson III 2011, pp. 202–3.
  2. ^ a b c d Cokayne 1936, p. 383.
  3. ^ a b c d e f g h i j Archer 2004.
  4. ^ Richardson III 2011, p. 203.
  5. ^ a b c d e f Cokayne 1936, p. 384.
  6. ^ Tait 1894, p. 220.
  7. ^ a b Cokayne 1936, pp. 383–4.
  8. ^ Caley, Ellis & Bandinel 1846, p. 321.
  9. ^ Richardson III 2011, p. 206.
  10. ^ Angold 2006, p. 66.
  11. ^ Gibbons 1888, p. 62.
  12. ^ a b c d e Richardson III 2011, pp. 206–7.
  13. ^ Ridgard, p.5; Stacey, p.28.
  14. ^ Richardson III 2011, pp. 64, 206–7.
  15. ^ Richardson II 2011, p. 254; Richardson III 2011, pp. 206–7; Pugh 1988, pp. 103, 187, 196; King 2005, p. 68.
  16. ^ Richardson II 2011, pp. 254–5.
  17. ^ Richardson IV 2011, p. 303.
  18. ^ Sir Bernard Burke (1866). A Genealogical History of the Dormant: Abeyant, Forfeited, and Extinct Peerages of the British Empire. Harrison. p. 569.
  19. ^ Richardson III 2011, pp. 206–9.
  20. ^ a b Blanton 2007, p. 202.
  21. ^ Burtscher 2008, pp. 73, 43, 21.


Further reading[edit]

  • Burke, Sir Bernard. "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., 1962. p. 387.
  • The West Family Register: Important Lines Traced, 1326–1928: NEHGS Research Library, call number RB/F16/G66/no. 5
Peerage of England
Preceded by Baron Mowbray
Succeeded by
Preceded by Baron Segrave
With: Elizabeth Segrave