Nielsen Hayden genealogy
Descendants of Robert de Pickering
Bef 1290 - Aft 1351 (> 62 years)Father: Thomas de Pickering ( - Aft Jul 1336)
Mother: Elizabeth de Greystoke (Abt 1265 - Aft 1328)
Robert de Pickering (Bef 1290 - Aft Nov 1351)
Maud (m. Bef 4 Feb 1332)
   └─ James Pickering, Speaker of the House of Commons (Abt 1332 - 1398)
    Agnes
       └─ Joan de Pickering (Abt 1360 - Between 1 May 1426 and 12 Jun 1426)
        William Gascoigne (1350 Gawthorpe, Yorkshire, England - 6 Dec 1419 bur.Harewood, Yorkshire, England)
        (m. Aft 1396)
        (m. Aft 1396)
           └─ Agnes Gascoigne (Abt 1401 - Between 7 Jan 1466 and 5 Feb 1466) =>
            + Robert Constable (of Flamborough, Bridlington, Yorkshire, England -
            Between 23 May 1441 and 16 Jun 1441)(m. Abt 1422)
            Between 23 May 1441 and 16 Jun 1441)(m. Abt 1422)