_Edward III PLANTAGENET , King of England___+
| (1312 - 1377) m 1328
_John of Gaunt PLANTAGENET , King of Castile, Duke_|_Countness Of Hinault PHILIPPA _____________
| (1339 - 1397) (1314 - ....)
_John Of Somerset BEAUFORT , Marquess Of Somerset_|
| (.... - 1410) |
| | _Payne ROET , Knight of Guien, King at Arms_
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| |_Catherine Swynford ROET __________________________|____________________________________________
| (1350 - 1403)
_Edmund BEAUFORT , Duke of Somerset_|
| (.... - 1455) |
| | ____________________________________________
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| | _Thomas DE HOLLAND , 2nd Earl of Kent______________|____________________________________________
| | | (1350 - 1397)
| |_Margaret HOLLAND ________________________________|
| (1385 - 1429) |
| | ____________________________________________
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| |_Alice FITZALAN ___________________________________|____________________________________________
| (1352 - 1416)
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|--Henry BEAUFORT , Duke of Somerset
| (.... - 1464)
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