Didn't Willie use to brag that a childhood illness left him sterile as a Missouri mule? 
Case closed.
OH ZEIT, what are you saying.?
A bit of history here. Old Danial Boon left his wife to head out into the wilds leaving her in the care of his brother. After 3 years he finally came home to find his wife with a 2 year old toddler.
His brother had in fact taken care of her, so to say. Old Danny boy never blinked and raised the boy as his own and ignored questions about how the child had come to be.
A good Man, and a National Hero.