who, that, which
Hein, quy a fait cela ?
Hey, who did that?
— The Witch (2016)
Quy va là ?
Who goes there?
Si ce n'est un loup, c'est la faim quy l'aura emporté à présent.
If it wasn’t a wolf, hunger must have carried him off by now.
Quy commencera à cet arbre et finira là-bas.
It will begin at this tree and end there.
Était-ce un loup quy enleva Sam ?
Was it a wolf that abducted Sam?
Je n'ay rien quy me vienne.
I have nothing that comes to mind.