עץ הקומפקטי של Frederick Parker Birkett |
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| |  | Thomas Parker Birkett 1813–1880 (67) |  | | | | William Rodman – | | | ||||
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| Thomas Parker Birkett 1849–1933 (83) |
| Annie Elizabeth Rodman 1852–1947 (94) | |||||||||||
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| Matthew Roydhouse 1752–1792 (40) | Francis Parkinson 1776–1844 (67) | | | ||||||||||
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| John Roydhouse 1785–1851 (66) | | Sarah B. Roydhouse 1820–1914 (94) | | Francis Parkinson 1798–1846 (48) | | | Sarah … – | | | ||||
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| Rebecca Richardson 1756–1796 (40) | Margaret Sharp 1777–1868 (91) | | | ||||||||||
