We don't know the situation, but, if the entire family moved to Oregon, and, he sold his 6 bedroom house in KY, there may have been a decent amount of equity transferred into either a new house, or, turned into cash; so for all we know, he let her have the mostly-paid-off house and walked away.
Remember, he doesn't tell you what he makes a year, just what he needs to make to survive.
Remember, he doesn't tell you what he makes a year, just what he needs to make to survive.