Word/Phrase: quienes son ellos
Translation: who are they
Pronunciation: ˈkienes son eˈʝos
Who are they? - ¿Quienes son ellos?
I wonder who they are. - Me pregunto quienes son.
Do you know who they are? - ¿Sabes quienes son?
They are my friends. - Ellos son mis amigos.
I have no idea who they are. - No tengo idea de quienes son.