Nielsen Hayden genealogy
Ancestors of Richard de Thornhill
- 1287 ┌── 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)
│
│ ┌── John de Malherbe ( - 1181)
│
│ ┌── Swain fitz Alric (Bef 1066 of Silkstone, Yorkshire, England - Bef 1130) =>
│ ┌── Adam fitz Swain (of Appleby, Westmorland, England - Abt 1159)
│ │ └── (Unknown) de Vesci =>
│ │
└── Maud Fitz Swain
└── Maud