John 'Jotte' Söderström (born 8 August 1889) was a Swedish tennis player who was active in the 1920s and 1930s. Tennis career. Söderström won the Swedish National Indoor singles championships in 1923 and the indoor doubles championship, with Ingvar Garell, in 1927. He also won the Swedish National Outdoor doubles Championship, in partnership with Charles Wennergren, in 1916. Söderström was a member of the Swedish Davis Cup team who played against Yugoslavia during the 1930 Davis Cup competition.
https://en.wikipedia.org/wiki/John_S%C3%B6derstr%C3%B6m