Nielsen Hayden genealogy
Descendants of Robert fitz Ralph
Abt 1277 - Bef 1317 (~ 40 years)Father: Ralph fitz William (Bef 1256 of Grimthorpe, Yorkshire, England - 1316 bur.Neasham Priory, Durham, England)
Robert fitz Ralph (Abt 1277 of Greystoke, Penrith, Cumberland, England - Bef 15 Apr 1317 bur.Butterwick, Yorkshire, England)
Elizabeth de Neville ( - 17 Nov 1346)(m. Bef 1299)
   ├─ (Unknown) de Greystoke
   │ Robert Hilton (Abt 1290 of Swine, Skirlaugh, Yorkshire, England - Aft 7 Jul 1357)
   │    └─ Robert Hilton (of Swine, Skirlaugh, Yorkshire, England - Bef 1364)
   │     Maud de Campaign ( - Aft 1368 Swine, Skirlaugh, Yorkshire, England)(m. Aft 1349)
   │        └─ Robert de Hilton (of Swine, Skirlaugh, Yorkshire, England - Abt 1400) =>
   │         + Isabel ( - Bef 1395)
   └─ Ralph de Greystoke (15 Aug 1299 - 14 Jul 1323 Gateshead, Durham, England)
    Alice de Audley (Abt 1300 - 12 Jan 1374 bur.Durham Cathedral, Durham, Durham, England)(m. Aft 25 Nov 1317)
       └─ William de Greystoke (6 Jan 1321 Grimthorpe, Yorkshire, England -
        10 Jul 1359 Brancepeth, Durham, England)
        10 Jul 1359 Brancepeth, Durham, England)
        Joan Fitz Hugh ( - 1 Sep 1403 Clerkenwell, Middlesex, England)(m. Abt 9 Oct 1351)
           └─ Ralph de Greystoke (18 Oct 1353 Kirkby Ravensworth, Yorkshire, England - 6 Apr 1418) =>
            + Katherine Clifford ( - 23 Apr 1413 bur.Church of the Dominican Friars, York, Yorkshire, England)
            (m. Bef 1378)
            (m. Bef 1378)