Good episode, decent ending of the season. This was the last episode of this season right? Too bad it's a big open ending as we now have to wait for months at least.
So the Commodore was Jimmy's father, that's probable. I suspect that Nucky and Jimmy's mother did had a relationship afterwards. It would explain Nucky's affection for Jimmy.
"It was between the brothers Kay -- I had nothing to do with it."
