Short answer: yes.
Long answer: I think we can assume it's just like "landlady" and "tenant" in other games; we all wink and nod at what they really mean, but it covers the devs ass with Patreon, Itch and Steam. If you look hard enough, I'm sure you would find somebody has released a mod that changes those titles to something more familial and it doesn't actually change the story in the slightest.