Nielsen Hayden genealogy
Descendants of Joan de Worth
Father: John de Worth
Joan de Worth
Richard Knyvet (of Southwick, Northamptonshire, England - 1353)
   └─ John Knyvet (of Winwick, Northamptonshire, England - 16 Feb 1381)
    Eleanor Basset ( - 3 Sep 1388)(m. Abt 1358)
       ├─ Robert Knyvet (of Stanway, Essex, England - Abt 1419)
       │ + Elizabeth Carew ( - 25 Sep 1410 bur.Beddington, Surrey, England)
       └─ John Knyvet (Abt 1358 of Southwick, Northamptonshire, England -
        4 Dec 1418 Mendlesham, Suffolk, England)
        4 Dec 1418 Mendlesham, Suffolk, England)
        Joan Botetourt ( - Abt 1417)(m. Bef 1377)
           └─ John Knyvet (Abt 1394 of Southwick, Northamptonshire, England - 9 Nov 1445) =>
            + Elizabeth Clifton (Abt 1392 - Bef 8 Dec 1461)(m. Bef 1412)