Harlow Robert Clark - interaktywne drzewo
1894–1966♂ Harlow Robert Clark
–♀ Jessie McClelland
1870–1950♂ Arthur William Clark
1870–1948♀ Charlotte Grieve
1833–1913♂ Robert Grieve
1834–1908♀ Isabella Mary Cully
1804–1892♂ John Grieve
1804–1888♀ Mary Glendinning …