delle loro

of their

→ delle
phrase Rare #29,239
of their Used before a feminine plural noun; depending on the verb, it can also mean “about their” or “at their.”
IT: Parlano delle loro vacanze.
EN: They’re talking about their vacation.

Tom e Mary hanno perso le chiavi delle loro stanze.

Tom and Mary have lost the keys to their rooms.

Non sembravano sicuri delle loro risposte.

They didn't seem sure of their answers.

I cinesi si curano molto delle loro donne.

Chinese people take great care of their women.

— Burning - L'amore brucia (2018)

E che possano ridere delle loro passioni.

And that they can laugh at their passions.

— Stalker (1979)

Parlarono delle loro scuole.

They talked about their schools.

Sono fiere delle loro bambine.

They are proud of their little girls.

Il giorno delle loro morti.

The day of their deaths.

— The Garden of Sinners Chapter 5: Paradox Paradigm (2008)

Mi hanno informato delle loro decisioni.

They informed me of their decisions.