Sporting ability is definitely very much genetic. There used to be a commentator for our national sports call Micheal O’ Muircheartaigh who bled GAA. He seemed to know the family backgrounds of every top level player in the country, and it was always “his father was a fine wexford hurler, and his uncle a Kerry football star in his day” - and it was that kinda thing for every player. Becomes quickly obvious that a background of sports stars will produce more stars. His best line ever though was about a fantastic Cork hurler called Sean Og O’ Haplin - “his father from Fermanagh, his mother from Fiji. Neither of them strong hurling counties.”