Complex sentence: George Treweek was an Australian rugby league player, a towering second-row forward who formed an integral part of the champion South Sydney Rabbitohs teams of the 1920s and early 1930s.
Split into simpler sentences: George Treweek was an Australian rugby league footballer of the 1920s and' 30s. He was a towering second-row forward who formed an integral part of the champion South Sydney Rabbitohs teams of the 1920s and early 1930s.