Yeah I guess they're trying for a more "old money vibe", but still doesn't make sense given the title.
Of course, "fortunes controlled by a single heir" is almost the epitome of old money. But I understand if that person is single then maybe that's not a family. At the same time, his/her money came from, well, family. So it's just a little confusing.
No if actually "old" then it's multiple people
The exact opposite. There's over 70 heirs to the Rockefeller fortune. One of them was in my World of Warcraft guild. You've never heard of her.
What was she like?
We were just a bunch of nerds in our 20s playing an MMO we didn't take very seriously. She fit in? I dunno, I'm not sure what exactly you're looking for here.