Kompakter Stammbaum von Ian Grant Roydhouse |
| William John Roydhouse 1832–1908 (75) | Samuel Maxton 1814–1884 (70) | | | ||||||||||
 | | | | ||||||||||
| William Francis Roydhouse 1856–1926 (70) |  | Francis William Roydhouse 1877–1943 (65) |  | Annie Maxton 1855–1929 (74) | | | John Grant Dick 1886–1967 (81) | | | ||||
 | | | | | | ||||||||
| Mary Johns Jordan 1832–1908 (76) | Sussanah Martha Dunn 1827–1916 (88) | | | ||||||||||
| Howard Roydhouse 1924–2005 (80) |
| Jessica Yvonne Dick 1924–2016 (91) | |||||||||||
| | ||||||||||||
| | | | | ||||||||||
| | | | ||||||||||
| John Crawley 1846–1923 (77) | | Muriel Blanch Crawley 1883–1973 (90) | | Helen Inverdale Cadenhead 1860–1949 (89) | | | Margaret Clagne 1889–1946 (57) | | | ||||
| | | | ||||||||||
| | | | | ||||||||||
