[brc]

That might be your specific interests but I'd wager you didn't come from a family with anyone in jail, your parents sent you to school and stressed its importance, and were well read for their education level.

Of course outliers exist and some very successful people come from very dysfunctional families. But if you look at enough people, they come out in temperament and attitude very similar to their family. The really surprising thing is how often one family will produce two top level musicians or sports players.