In one of the novels based after The Voyage Home movie, Savvik and Spock had a kid which is why she remained on Vulcan. The Vulcan behind her was their son.
Ah. Never read many of the Trek novels. John M. Ford’s _The Final Reflection_ and the novelization for _The Motion Picture_ were the only two I thought worth the time.
I’m glad you filled in that blank for me. And it is what it is. I’m just not much of a fan of stuff like that in popular fiction. Part of what hobbles Star Wars (IMHO) is that it quickly turned into a family drama with pew-pew. And that goes all the way back to Empire’ and ‘Jedi.