Nielsen Hayden genealogy
Family: John Halliday / Mary Welman (F10448)
m. 1737
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Male
John Halliday
Birth Abt 1709 of Yard House, Somerset, England 
Death 8 Jun 1754 Burial Marriage 1737 [1, 2, 3] Father John Halliday | F10445 Group Sheet Mother Mary Trowbridge | F10445 Group Sheet
Female
Mary Welman
Birth Death 1792 Burial Father Isaac Welman | F10469 Group Sheet Mother Elizabeth | F10469 Group Sheet
Male
+ Simon Halliday
Birth 1738 of Ilford Park, Wiltshire, England 
Death 18 May 1791 Burial Spouse Jane Bythesea | F10359 Marriage
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Sources - [S47] The History of Parliament. Some citations point to entries from the printed volumes not yet added to the online site.
- [S2178] A Genealogical and Heraldic Dictionary of the Landed Gentry of Great Britain and Ireland by Bernard Burke. London: Harrison, 1858.
- [S863] A genealogical and heraldic history of the commoners of Great Britain and Ireland enjoying territorial possessions or high official rank but uninvested with heritable honors by John Burke. London: Henry Colburn, 1834-38.
- [S47] The History of Parliament. Some citations point to entries from the printed volumes not yet added to the online site.