Nielsen Hayden genealogy
Robert de Thweng
- Bef 1167-
Name Robert de Thweng [1, 2] Gender Male Death Bef 1167 [3] Person ID I9303 Ancestry of PNH, TNH, and others Last Modified 6 Jan 2018
Family Children + 1. Robert de Thweng, b. Bef 1145, of Thwing, Bridlington, Yorkshire, England 
d. Bef 1199 (Age < 54 years)Family ID F5107 Group Sheet | Family Chart Last Modified 7 May 2025
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Notes - Also called Robert of Tegneg.
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Sources - [S128] The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant ed. Vicary Gibbs, H. A. Doubleday, Duncan Warrand, Howard de Walden, Geoffrey H. White and R. S. Lea. 2nd edition. 14 volumes (1-13, but volume 12 spanned two books), London, The St. Catherine Press, 1910-1959. Volume 14, "Addenda & Corrigenda," ed. Peter W. Hammond, Gloucestershire, Sutton Publishing, 1998.
- [S991] Early Yorkshire Families ed. Charles Travis Clay and Diana E. Greenway. Yorkshire Archaeological Society, 1973.
- [S76] The Oxford Dictionary of National Biography. Oxford University Press, 2004-ongoing.
- [S128] The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant ed. Vicary Gibbs, H. A. Doubleday, Duncan Warrand, Howard de Walden, Geoffrey H. White and R. S. Lea. 2nd edition. 14 volumes (1-13, but volume 12 spanned two books), London, The St. Catherine Press, 1910-1959. Volume 14, "Addenda & Corrigenda," ed. Peter W. Hammond, Gloucestershire, Sutton Publishing, 1998.