Nielsen Hayden genealogy
Descendants of Margaret de Keynes
Father: Robert de Keynes (of Milton Keynes, Buckinghamshire, England - ??)
Margaret de Keynes
Philip de Aylesbury (of Milton Keynes, Buckinghamshire, England - 14 Jul 1349)
   └─ Thomas de Aylesbury (of Aylesbury, Buckinghamshire, England - Bef 14 Jul 1349)
    Joan Basset ( - Bef 14 Jul 1343)
       └─ John Aylesbury (6 May 1334 Weldon, Northamptonshire, England - 7 Dec 1409)
        Isabel ( - Bef Nov 1369)(m. Bef 29 Sep 1359)
           └─ Thomas Aylesbury (of Bradwell, Buckinghamshire, England - 9 Sep 1418) =>
            + Katherine Pabenham (Abt 1372 - 17 Jun 1436)(m. Bef Dec 1399)