John de Mowbray, 4th Baron Mowbray

1340 - 1368  (28 years)

• Name	John de Mowbray
  Suffix	4th Baron Mowbray
  Birth	24 Jun 1340	Epworth, Lincolnshire, England
  Gender	Male
  Death	19 Oct 1368	Constantinople, Istanbul, Turkey
  	Constantinople remained the capital of the Eastern Roman Empire (also known as the Byzantine Empire; 330–1204 and 1261–1453), the Latin Empire (1204–1261), and the Ottoman Empire (1453–1922)
  Person ID	I322324188384	Hurst Improbable Family Tree
  Last Modified	15 Jun 2026

  
  

  Father	John de Mowbray, 3rd Baron Mowbray,   b. 29 Nov 1310   d. 4 Oct 1361 (Age 50 years)
  Mother	Joan of Lancaster, Plantagenet,   b. Abt. 1312   d. 7 Jul 1349 (Age 37 years)
  Family ID	F7145	Group Sheet  |  Family Chart

  
  

  Family	Elizabeth de Segrave, Lady, 5th Baroness Segrave,   b. Abt. 1345, England d. England
  Children	1. Margaret de Mowbray,   b. Abt. 1361   d. 24 Apr 1404 (Age 43 years)   2. Joan de Mowbray,   b. Abt. 1363   d. 30 Nov 1402 (Age 39 years)   3. Eleanor de Mowbray,   b. Bef. 25 Mar 1364   4. John de Mowbray, 1st Earl of Nottingham, 5th Baron Mowbray, 6th Baron Segrave ,   b. 1 Aug 1365   d. 12 Jan 1383 (Age 17 years)   5. Thomas de Mowbray, 1st Duke of Norfolk, 1st Earl of Nottingham, 6th Baron Mowbray, 7th Baron Segrave,   b. 22 Mar 1366   d. 22 Sep 1399 (Age 33 years)
  Family ID	F4589	Group Sheet  |  Family Chart
  Last Modified	15 Jun 2026