Unfortunately this man is yet to be found. Lerner's Mom has had so much sex that it's possible Lerner's Father could be...
Sean Connery, Carson Daly, Muhammad Ali, EDI Cramer, Bill Clinton, or Uncle Ben (yea, the rice guy)
Midshipman 1- "Dude, wanna hang out tonight? A bunch of people are coming, even Lerner's Father."
Midshipman 2- "Really? I've never met him before."
Midshipman 1- "That's ok, neither has Lerner."