Nielsen Hayden genealogy
Descendants of John de Byron
- Bef 1318Father: John de Byron (of Clayton, Lancashire, England - Aft 1297)
Mother: Joan le Tyas ( - Aft 1297)
John de Byron (of Clayton, Lancashire, England - Bef 23 Apr 1318)
Alice ( - Aft 1318)
   └─ Richard Byron (of Clayton, Lancashire, England - Abt 1347)
    Agnes
       └─ James Byron (of Clayton, Lancashire, England - Abt 1352)
        Elizabeth Bernake
           └─ Richard de Byron (of Clayton, Lancashire, England - 27 Jun 1397) =>
            + Joan Colewick (of Colewick, Nottinghamshire, England - 8 Oct 1426)(m. Bef 1387)