From a Washington Post feature on Rand Paul, GOP senate candidate in Kentucky and son of Ron Paul:
According to his mother, Carol, he was, like his father before him, a talented athlete (a defensive back in football) and more ambitious than his two brothers, whose names both begin with the letter R. During swim meets in high school, "he wanted his name on the board," she said. "He didn't want just R. Paul, because they are all R. Paul.
Who are the other R. Pauls? Could it be: