parents-in-law
US /ˈper.ənts ɪn ˌlɔː/
UK /ˈper.ənts ɪn ˌlɔː/

1.
beaux-parents
the parents of one's husband or wife
:
•
My parents-in-law are visiting us next month.
Mes beaux-parents nous rendent visite le mois prochain.
•
She has a good relationship with her parents-in-law.
Elle a une bonne relation avec ses beaux-parents.