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 Constantinople, Turkey of unspecified causes. He married Elizabeth de Segrave (1338-1368) 1349 JL . Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Henry II of England (1133-1189)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s, Rollo of Normandy (860-932)/s.


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 le Strange (1373-1383) Elizabeth FitzAlan (1366-1425)

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