'Bottom, thou art translated.'

[Lalaith]

Yes, that's how I remember Ihr, as the plural of du, the other use I think we were taught about briefly, but I couldn't remember. When, exactly, would you substitute it for Sie?
Old Yorkshire people do still use thee and thy, in the old-style intimacy way. When I was a student, m neighbour, a pensioner, used to lean over the fence and say, "I do worry about thee, pet, so far away from thy parents.