1840–1915♀ Margaret Birkett 1844–1869♂ William Henry Pew | | | | 1813–1880♂ Thomas Parker Birkett 1820–1914♀ Sarah B. Roydhouse | | | | 1785–1851♂ John Roydhouse 1798–1846♀ Francis Parkinson | | | | 1752–1792♂ Matthew Roydhouse 1756–1796♀ Rebecca Richardson |
| | | 1776–1844♂ Francis Parkinson 1777–1868♀ Margaret Sharp | | |
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