He retired to Fremantle in 1902 (aged 51). In 1909 he married Blanche Isobel Brodrick (youngest daughter of G. W. Brodrick, a solicitor from New Zealand). They would go on to have two sons and a daughter.[3]
In 1912 he had the Princess Theatre built. In 1913 or '14 he moved to Ivanhoe, a large residence on the corner of Ord and High Streets, where his family lived until 1948.[4] Biddles also served as a JP in the Fremantle police courts.[5] He died in 1932.[6]
^Black, David; Prescott, Valerie (1997). Election statistics : Legislative Assembly of Western Australia, 1890-1996. Perth, [W.A.]: Western Australian Parliamentary History Project and Western Australian Electoral Commission. ISBN0730984095.
Ferguson, Gerald Richard (2001). Pearls of the Past: a Biography of one of Australia's Pioneers, Captain Frank Biddles. G.R. Ferguson. ISBN978-0-9579207-0-5.