Nielsen Hayden genealogy
Descendants of Elizabeth de Mowbray
- Aft 1317Father: Roger de Mowbray (Abt 1220 of Thirsk, Yorkshire, England - Bef 18 Oct 1263 bur.Church of the Friars Preachers, Pontefract, Yorkshire, England)
Mother: (Unknown) de Furnival
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
           └─ Robert de Newmarch (Abt 1344 of Womersley, Yorkshire, England - ??) =>
            + Emma