Interesting - at present, most clubs have at least one NRL player whose father also played NRL or equivalent.
Broncos: Billy Walters (Kevin Walters)
Bulldogs: Kyle Flanagan (Shane Flanagan)
Cowboys:
Dragons:
Eels:
Knights: Jack Johns (Matt Johns)
Panthers: Nathan Cleary (Ivan Cleary)
Rabbitohs: Jed Cartwright (John Cartwright)
Raiders: Albert Hopoate (John Hopoate)
Roosters: Sam Walker (Ben Walker)
Sea Eagles: Morgan Boyle (David Boyle)
Sharks: Will Kennedy (William 'Bubba' Kennedy)
Storm: Cooper Johns (Matt Johns)
Tigers: Jackson Hastings (Kevin Hastings)
Titans: Jayden Campbell (Preston Campbell)
Warriors: Bayley Sironen (Paul Sironen)
Note: Tristan Sailor, who formerly played NRL with the Dragons, now plays for the Broncos feeder club.