Complex sentence: Chisholm signed for the Manly Sea Eagles for the 2013 where his father Rick played in 30 first-grade matches for Manly and Newtown in the early 1980s.
Split into simpler sentences: Chisholm signed for the Manly Sea Eagles for the 2013 season. Rick, Dane's father, played in 30 first-grade matches for Manly and Newtown in the early 1980s.