I heard it told a little less charitably: Who were the most successful NHL brothers? Wayne Gretzky and whoever Wayne Gretzky's brother was. I've also heard a

I heard it told a little less charitably: Who were the most successful NHL brothers? Wayne Gretzky and whoever Wayne Gretzky's brother was. I've also heard a nerdier variant: Who was the most influential father-son pair in mathematics? Gauss and whoever Gauss's father was.