Either one, or the other. [ Jim pauses a moment, pondering. ] She'd probably be mentioned in his file if he had a sister in my reality, though. So I'm guessing events just happened differently.

[ Who knows? Anyway, with Spock not being here, it's a little hard to ask him about it. Picturing Spock with a sibling is oddly cute, though. ]

He does, yeah. [ The same can't be said for Kirk, or for the rest of their crew. From what he gathered, Bones lived until he was pretty old, but that was about it. Jim never wanted to know the details. He nods at the question instead. ] Yeah. We had a bit of a rocky start, but... we're close friends now. We understand each other. Which, as I'm sure you'll appreciate, is quite a feat when we're talking about a Vulcan.