Interactive tree of Mary Simpson
1850–1860♀ Sarah Elizabeth Cullingworth
1819–1870♀ Mary Simpson
1821–1893♂ Thomas Roydhouse Cullingworth
–♂ Samuel Simpson
1781–1852♂ William Cullingworth
1782–1835♀ Elisabeth Roydhouse
1751–1834♂ John Cullingworth
1752–♀ Maria Thornton
1752–1792♂ Matthew Roydhouse
1756–1796♀ Rebecca Richardson