Louis' son, Otto the Illustrious (1206-1253), undertook the government of the Palatinate in 1228, and became duke of Bavaria in 1231.
Our nailing Otto Rudman on your tip impressed the hell out of him.
"Ask Otto," a uniformed cop said without looking up from his screen.
Otto goes to every bar around that has trivia night and drinks for free.
A plumber named Otto Gruber out in Archbald listed it.