1. You don't need to sweat it, just as long as he's, you know, mentioning it in random log references, or in a post as you said, or even as long as it's a background note for him — there need be no accountancy of the fertility he has inspired, nor tallies of how many children now wear his name.

2. Going to smoothly copy-paste from the answer to Lily's player —

That place is very, very, very haunted. Since Wei Wuxian is a necromancer, he will be able to tell there are... easily a dozen ghosts in there, they're pretty much stepping over each other. They're not outright demonic? More like... perpetually grumpy grandpas.

For your personal reference, imagine a congregation of Ye Baiyis.

You can absolutely do anything you want with your haunted house. Except sell it. That won't sell.