Nielsen Hayden genealogy
Lucy de Thweng
Abt 1290 - Bef 1325 (< 34 years)-
Name Lucy de Thweng [1] Birth Abt 1290 Kilton Castle, Cleveland, Yorkshire, England 
[1, 2] Gender Female Death Bef 1325 [1, 2] Person ID I10038 Ancestry of PNH, TNH, and others | Ancestor of TNH Last Modified 18 Dec 2015
Father Marmaduke de Thweng, b. of Kilton in Brotton, Yorkshire, England d. Bef 26 Feb 1323Mother Isabel de Ros, b. of Ingmanthorpe in Kirk Deighton, Yorkshire, England d. 1309Marriage 1273 [1, 3] Family ID F2441 Group Sheet | Family Chart
Family 
Robert de Lumley, b. of Lumley in Little Lumley, Durham, England d. Bef 20 Jul 1325Children + 1. Marmaduke de Lumley, b. 4 Sep 1314, of Lumley in Little Lumley, Durham, England d. 26 Sep 1365, Lumley in Little Lumley, Durham, England (Age 51 years)Family ID F5495 Group Sheet | Family Chart Last Modified 28 Jun 2026
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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.
- [S150] Burke's Peerage.
- [S789] The Wallop Family and Their Ancestry by Vernon James Watney. Oxford, 1928.
- [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.