Could it be used in the sense of separated lovers?
ie one lover saying it to another.
“Quis separabit” means “Who will separate?” and could be used of lovers. But the fact that it is a loyalist motto may give you pause, if you were thinking of getting it as a tattoo or something.
No I’m just playing with fire is all. It’s in reference to using it as a lyric. Anyway we’re all Europeans now.