their mother
Elles n'ont jamais oublié d'envoyer un cadeau d'anniversaire à leur mère.
They never forgot to send their mother a birthday present.
Elles disent quelque chose à leur mère.
They are saying something to their mother.
Dis-leur que leur mère ne porte pas de culotte.
Tell them their mother doesn't wear underwear.
— Perfetti sconosciuti (2016)
Ces enfants attendent leur mère.
These children are waiting for their mother.
The children help their mother.