Nielsen Hayden genealogy
Family: Richard Vernon / Joan Griffith (F9428)
m. 20 May 1380Richard de Vernon ( -1376) 
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Julian de Pembridge (1349-1410)
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| Rhys ap Griffith (1325-1380)
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| Richard Vernon (1368-1400)
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| Joan Griffith (1371-1437)
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Richard Vernon ( -1451)  |