Nielsen Hayden genealogy
Descendants of John de Malherbe
- 1181
John de Malherbe
( - 1181)
   └─ Mabel de Malherbe
    William de la Mare ( - Abt 1203)
       ├─ Olivia de la Mare
       │ John de Thornhill (Bef 1203 of Thornhill, Dewsbury, Yorkshire, England - Bef 1250)
       │    │ + Richard de Tankersley
       │    └─ Richard de Thornhill (of Thornhill, Dewsbury, Yorkshire, England - 1287) =>
       │     + Maud de Fixby (of Fixby Hall, Huddersfield, Yorkshire, England - ??)
       └─ Mabel de la Mare ( - Bef 2 Jul 1253)
        + Geoffrey de Neville (of Danby, Yorkshire, England - Bef 31 Jul 1249)