Family: John 3rd Lord Mowbray / Joan Plantagenet (F39699)
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Male
John 3rd Lord Mowbray
Birth 1310 Death 4 Oct 1361 York, Yorkshire, England 
Burial Marriage Father John (2nd Lord Mowbray) De Mowbray | F45061 Group Sheet Mother Aliva De Braose | F45061 Group Sheet
Female
Joan Plantagenet
Birth Abt 1312 Death 7 Jul 1349 Burial Father Henry (3rd Earl of Lancaster) Plantagenet | F42688 Group Sheet Mother Maud Chaworth | F42688 Group Sheet
Male
John 4th Lord Mowbury
Birth 1340 Death 9 Oct 1368 Killed Near Constantinoble Burial Spouse Elizabeth (Baroness Seagrave) Seagrave | F43466 Marriage 1353
Female
Blanche Mowbury
Birth Death 21 Jul 1409 Burial Spouse Thomas 2nd Baron Poynings | F45050 Marriage Spouse John (Sir) Worth | F45051 Marriage Spouse John (Sir) Wiltshire | F45052 Marriage Spouse John (of Folkestone) De Segrave | F45053 Marriage Spouse Robert (of Bithall) Baron Bertram | F45054 Marriage
Female
Eleanor Mowbury
Birth Death Abt 1387 Burial Spouse Roger 3rd Baron De La Warre | F45055 Marriage Spouse Lewis (Sir) De Clifford | F45056 Marriage Bef 12 Feb 1373