Nielsen Hayden genealogy
Descendants of Margaret Calveley
Father: David Calveley
Margaret Calveley
John de Delves ( - Bef 21 Jun 1394)(m. Bef 1374)
   └─ John de Delves ( - Bef 31 Aug 1429)
    Philippa Mainwaring ( - 1420)
       ├─ Margaret Delves
       │ John Mainwaring (of Over Peover, Bucklow, Cheshire, England - ??)
       │    └─ William Mainwaring (of Over Peover, Bucklow, Cheshire, England - Bef 1476) =>
       │     + Ellen Boteler (Abt 1423 - ??)(m. 21 Jan 1444)
       └─ John Delves (of Doddington, Cheshire, England - 4 May 1471 Tewkesbury, Gloucestershire, England)
        Ellen Egerton (m. 1439)
           │ + John Aston (of Brocton in Baswich, Staffordshire, England - 1483)
            + Nicholas Montgomery (1449 of Cubley, Derbyshire, England - 3 Aug 1494)