How I deleted a twin Baby without a mod

Does going through Edit Town to split the household so that one of the babies lands in another not work without mods? Does it work if you shift an adult sim along with them and then later move the adult back to the original household? It's possible that NRaas Mover is providing this functionality, but between that and other methods I've seen for a very long time that babies (toddlers, pets, etc.) can be shifted around that way and the receiving household will raise the child as if it's their own even though it won't be on their family tree in any way.

Anyway, I don't think that evicting and deleting sims through the Edit Town interface is anywhere near as dangerous to ongoing game health as testingcheats deleting their bodies as if the sims were objects tends to be.