The son of Thomas and Margaret Foster, Bertie was born in Wolverhampton in 1894. They were living at 18D Gibbs Street, Wolverhampton, in 1901, along with Bertie’s siblings Alice, William, Gladys and George. They were at 117 Bright Street by 1911, and Bertie was an apprentice at the safe works at Chubbs in Wednesfield Road.
He enlisted in the 2nd/6th Battalion of the South Staffordshire Regiment (number 241054). He was killed in action on 11 April 1917. He was featured in the Midland Counties Express on 12 May 1917, and is buried at Jeancourt Communal Cemetery Extension in France.