Good story in Sports Illustrated on the Harbaugh Family Coaching Tree. John Harbaugh (pictured above) is the current head coach of the Baltimore Ravens. Jim Harbaugh is the head coach of Stanford University while their father Jack coached for numerous colleges throughout the country.
The article takes about the competitve environment that the Harbaugh brothers grew up in along with their passion and work ethic to be the best they can be. Here is a good excerpt:
It is a ruthless world, and the Harbaughs love it that way: There is no faking success, none of what their mother called "mediocrity—let's not let anybody be better than anybody else." John, whose Ravens are 5--2 and leading the AFC North, keeps a plastic armadillo in his office because he thinks people need thick skin, and he often asks his players, "You got your baby-deerskin on today? Or do you have your armadillo skin?"
Full Article on Harbaugh Brothers