Interactive tree of Timothy Peter Riddell
1990–♂ Timothy Peter Riddell
1954–♂ David Riddell
1960–♀ Judith Lee Roydhouse
1924–2002♂ Peter Booth Roydhouse
1923–♀ Peggy Winifred Mary Hammond
–♀ Joan Beryl Norma Dennis
1887–1974♂ Arthur Payton Roydhouse
1890–1975♀ Dorothy Booth
1900–1973♂ Jesse Hammond
1903–1972♀ Winifred Mary Harris