John de Mowbray, 4th Baron Mowbray, was born 25 June 1340 in Epworth, Isle of Axholme, Lincolnshire, England, United Kingdom to John de Mowbray (1310-1361) and Joan Plantagenet (c1310-c1349) and died 1368 in Constantinople, Turkey of unspecified causes. He married Elizabeth de Segrave (1338-1368) circa 1349 JL . Notable ancestors include Henry II of England (1133-1189), William I of England (1027-1087), Charlemagne (747-814), Hugh Capet (c940-996), Rurik (c832-879), Alfred the Great (849-899). Ancestors are from the United Kingdom, France, Germany, England, Russia, Ukraine, Belgium, the Netherlands, Italy, Spain, Turkey, the Byzantine Empire.


Offspring of John de Mowbray, 4th Baron Mowbray and Elizabeth de Segrave (1338-1368)
Name Birth Death Joined with
Eleanor de Mowbray (1355-1399) 1355 1399 John de Welles (1352-1421)

Margaret Mowbray (c1361-1399) 1361 1399 Reginald Lucy (c1360-1437)

Jane de Mowbray (1362-1402)
John de Mowbray, 1st Earl of Nottingham (1365-1381)
Thomas de Mowbray, 1st Duke of Norfolk (1366-1399) 22 March 1366 Isle Of Axholme, Lincolnshire 22 September 1399 Venice Elizabeth le Strange (1373-1383)
Elizabeth FitzAlan (1366-1425)

Common ancestors of John de Mowbray (1340-1368) and Elizabeth de Segrave (1338-1368)

  1. Béatrice de Savoie (1205-1266)
  2. Béatrix de Savoie (1198-1266)
  3. Henry III of England (1207-1272)
  4. Isabelle of Angoulême (1186-1246)
  5. John of England (1167-1216)
  6. Ramon Berenguer IV de Provence (1195-1245)
  7. Éléonore de Provence (1223-1291)

Footnotes (including sources)

‡ General

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