Kompakter Stammbaum von Grant Anthony Roydhouse |
| William John Roydhouse 1832–1908 (75) | Samuel Maxton 1814–1884 (70) | | | ||||||||||
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| William Francis Roydhouse 1856–1926 (70) |  | Francis William Roydhouse 1877–1943 (65) |  | Annie Maxton 1855–1929 (74) | Thomas Cannon – | | Thomas Birkby Cannon 1896–1972 (76) | | Caroline Paul – | ||||
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| Mary Johns Jordan 1832–1908 (76) | Sussanah Martha Dunn 1827–1916 (88) | | | ||||||||||
| Donald Roydhouse 1909–1992 (83) |
| Audrey Isabella Cannon 1920–1999 (79) | |||||||||||
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| John Crawley 1846–1923 (77) | | Muriel Blanch Crawley 1883–1973 (90) | | Helen Inverdale Cadenhead 1860–1949 (89) | | | Anastasia Symons 1900–1979 (79) | | | ||||
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