Bertram Charles Timson was born in St Stephens, (St Albans), Herts, on 18th January 1885, he was the son of William Edward Timson, a Gardener and Maria Timson (nee Weedon). Baptised on 4th October 1885, at Holy Trinity, Frogmore, Herts. One of seven children.
1891 Census records Bertram aged 6, at school, living with his parents and five siblings in Snug Oak, St Stephens, St Albans, Herts.
1901 Census records the family still living in Snug Oak, Bertram aged 16, and working as a Gardener, still living with parents and five siblings.
In 1905 his mother Maria died, and in 1910 is father died.
1911, Bertram was 26, both his parents had died, he was now living at 75 Grover Road, Oxhey, with his sister, Louisa, and her husband Daniel Walden and their two daughters. Bertram was employed as a car man for a building firm. Their youngest brother Frederick was also living with them.