Which brother of the "Golden Boy" founded a UK company?
Brent Walker Brent Walker was a UK company involved in property, gambling, distilled beverages and pubs. It was founded by George Walker, the brother of the boxer Billy Walker.
Lionel Martin Lionel Walker Birch Martin (15 March 1878 – 21 October 1945) was an English businessman, who founded the company, with Robert Bamford (1883–1942), that became Aston Martin.