Nielsen Hayden genealogy
Descendants of Adam de Pontefract
Abt 1260 - Aft 1307 (~ 47 years)Father: William de Pontefract ( - Bef 1271)
Mother: Ellen de Neville (of Redbourne, Glanford Brigg, Lincolnshire, England - Aft Nov 1280)
Adam de Pontefract (Abt 1260 - Aft Aug 1307)
   └─ John de Pontefract (Abt 1300 - 1346)
    Avice de Dighton
       └─ William de Mirfield (Abt 1325 - Aft 4 Mar 1380)
        Agnes de Beaumont (m. Bef 1354)
           └─ Adam de Mirfield (Abt 1360 of Howley, Yorkshire, England - Aft Apr 1428) =>
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