Complex sentence: Henry Hewson was a professional rugby league footballer who played in the 1920s, playing at club level for Wakefield Trinity (Heritage № 271), as a, i.e. number 11 or 12.
Split into simpler sentences: Henry Hewson was a professional rugby league footballer who played in the 1920s. He played at club level for Wakefield Trinity (Heritage № 271), as a, i.e. number 11 or 12.