qua, quibus
quod, quae (acc)
quod, quae (nom)
cuius, quarum
cui, quibus
quem, quos
quam, quas
quae, quae
qui, qui
quo, quibus
cuius, quorum
with whom (f)
whom (f)
with whom (m and n)
whose (f)
whose (m and n)
that (n)
who, which (f)
whom (m)
who, which (m)
to whom (m, f, and n)
that, which (n)