Árvore interativa de Brian Medforth

1953–♂ Brian Medforth

1916–2004♂ Frank Medforth

1920–2002♀ Betty Roydhouse

1881–♂ George Edward Medforth

1884–1981♀ Elizabeth Hannah Middleton

1886–1963♂ Arthur Roydhouse

1887–1976♀ Eliza Nicholson

1854–1900♂ William Clark Roydhouse

1855–1932♀ Elisabeth Harrison

1863–1914♂ Charles Nicholson

1860–1906♀ Ruth Blackburn