quienes son

who are

→ quien
phrase Common #4,994
who are Used when asking about or referring to the identity of people. In standard written Spanish, it is usually accented as "quiénes son" when used as a direct question or indirect question.
SP: ¿quienes son estas personas?
EN: Who are these people?

Quienes son ustedes?

Who are you?

Debido a quienes son.

Because of who they are.

— Bugonia (2025)

Tomás sabe quienes son.

Tomás knows who they are.

Bailan quienes son libres.

Those who are free dance.

— Jojo Rabbit (2019)

Creemos que nuestra empleada, ha descubierto quienes son.

We believe that our employee has discovered who they are.

Quienes son estas personas?

Who are these people?

Tomás sabe quienes son ellos.

Tomás knows who they are.

Quienes son ellos?

Who are they?