[1] Beresford was the son of Julius Bernard Wiszniewski, an emigrant from Danzig and his wife Stella Louisa Davey.
[4] Beresford initially sculled at Kensington Rowing Club in Hammersmith with some success, winning many trophies although failing in attempts at the Wingfield Sculls in 1902 and 1903[5] and in the London Cup at the Metropolitan Regatta.
In 1909 and 1911, he was in the crew that won the Stewards Challenge Cup at Henley Royal Regatta.
Also, in the 1911 regatta, he partnered Arthur Cloutte to win the Silver Goblets & Nickalls' Challenge Cup.
[7] Rought and Logan joined Beresford who was the bowman, in the Thames Rowing Club coxed four which won the silver medal for Great Britain rowing at the 1912 Summer Olympics.