Nielsen Hayden genealogy
Descendants of (Unknown) de Furnival
Father: Thomas de Furnival (Aft 1200 of Sheffield, Yorkshire, England - Abt 1240 Damietta, Egypt)
Mother: Bertha de Ferrers ( - Aft 10 Feb 1267 bur.Grey Friars, Dunwich, Suffolk, England)
(Unknown) de Furnival
Roger de Mowbray (Abt 1220 of Thirsk, Yorkshire, England -
Bef 18 Oct 1263 bur.Church of the Friars Preachers, Pontefract, Yorkshire, England)(m. Aft 13 Apr 1238)
Bef 18 Oct 1263 bur.Church of the Friars Preachers, Pontefract, Yorkshire, England)(m. Aft 13 Apr 1238)
   ├─ Elizabeth de Mowbray ( - Aft Sep 1317)
   │ Adam de Newmarch (Bef 1236 of Womersley, Yorkshire, England - Bef 20 Jan 1303)(m. Bef 1263)
   │    └─ Robert de Newmarch ( - Mar 1352)
   │     Maud
   │        └─ Adam de Newmarch (of Womersley, Yorkshire, England - Between 1344 and 1352) =>
   │         + Agnes Fitzwilliam
   └─ Joan de Mowbray ( - Bef 1316)
    Robert de Mohaut (of Hawarden, Suffolk, England - Bef 16 Sep 1275)(m. Abt 1261)
       └─ Cecily de Mohaut ( - Aft 1315)
        William de Morley (of Morley, Norfolk, England - Bef 29 Sep 1300 bur.Roydon, Norfolk, England)
        (m. Bef 1 Oct 1295)
        (m. Bef 1 Oct 1295)
           └─ Robert de Morley (of Morley, Norfolk, England - 23 Mar 1360 Burgundy, France) =>
            + Hawise Marshal (Abt 1301 - Bef Sep 1334)(m. Bef 20 Oct 1316)