Nielsen Hayden genealogy
William de la Mare

( = Descendancy chart to this point,
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- 1 William de la Mare [1] d. Abt 1203
Mabel de Malherbe
- 2 Olivia de la Mare [1.1]
John de Thornhill b. Bef 1203 d. Bef 1250
- 3 Sarah de Thornhill [1.1.1]
Richard de Tankersley
- 4 Alice le Tankersley [1.1.1.1]
d. Aft 2 Jan 1329 [ =>]
- 4 Joanna Tankersley [1.1.1.2]
d. Aft 1329 [ =>]
- 4 Alice le Tankersley [1.1.1.1]
- 3 Richard de Thornhill [1.1.2]
d. 1287
Maud de Fixby
- 4 John de Thornhill [1.1.2.1]
d. Bef 9 Jul 1322 [ =>]
- 4 John de Thornhill [1.1.2.1]
- 3 Sarah de Thornhill [1.1.1]
- 2 Mabel de la Mare [1.2]
d. Bef 2 Jul 1253
- + Geoffrey de Neville d. Bef 31 Jul 1249
- + Geoffrey de Neville d. Bef 31 Jul 1249
- 2 Olivia de la Mare [1.1]