Nielsen Hayden genealogy
Ancestors of John de Thornhill
- Bef 1322 ┌── Essulf (of Birkin, Yorkshire, England - Bef 1159)
┌── Jordan fitz Essulf (of Thornhill, Dewsbury, Yorkshire, England - Aft 25 Jan 1194)
┌── Richard de Thornhill ( - Bef 1209)
┌── John de Thornhill (Bef 1203 of Thornhill, Dewsbury, Yorkshire, England - Bef 1250)
│ └── Alice ( - Aft 1209)
│
┌── Richard de Thornhill (of Thornhill, Dewsbury, Yorkshire, England - 1287)
│ │
│ │ ┌── Ralph de la Mare ( - Abt 1203)
│ │ ┌── William de la Mare ( - Abt 1203)
│ └── Olivia de la Mare
│ │
│ │ ┌── John de Malherbe ( - 1181)
│ └── Mabel de Malherbe
│ │
│ │ ┌── Adam fitz Swain (of Appleby, Westmorland, England - Abt 1159) =>
│ └── Maud Fitz Swain
│ └── Maud
│
John de Thornhill (of Thornhill, Dewsbury, Yorkshire, England - Bef 9 Jul 1322)
│
│ ┌── Thomas de Fixby (of Fixby Hall, Huddersfield, Yorkshire, England - ??)
└── Maud de Fixby (of Fixby Hall, Huddersfield, Yorkshire, England - ??)