Kompakter Stammbaum von Joyce K. Roydhouse |
| Thomas Henry Roydhouse 1816–1849 (33) | George Pocock 1812–1896 (84) | | | ||||||||||
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| Joseph Thomas Roydhouse 1844–1918 (73) |  | Frederick William Roydhouse 1875–1936 (60) |  | Charlotte Pocock 1844–1930 (85) | | | Albert John Cook 1879– | | | ||||
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| Sarah Anstiss 1809–1874 (65) | Ann Andrews 1818–1892 (74) | | | ||||||||||
| Frederick John Richard Thomas Roydhouse 1907–1975 (67) |
| Kathleen Ann Cook 1908–1996 (88) | |||||||||||
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| James Thomas Parker 1846– | | Louisa Frances Parker 1871–1934 (63) | | Louisa Withers 1847– | | | Catherine Ann Kingman 1877– | | | ||||
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