"His dad was one. Is. Was. Time travel's confusing - his father died, Spock's dad is still around." Jim makes a face at the tense confusion. "After we all died and he retired from Starfleet, he wanted to work towards Reunification between Vulcan and Romulus. They used to be the same people a long time ago and split up when Surak started preaching logic and controlling emotion. The Romulans didn't want to do that, so they left and found their own planet, but everyone who decided that is long dead so he wanted to try to bring them back together."