Quiénes
Quienes is the plural form of the Spanish pronoun quien, and it appears in two main functions depending on context. In direct or exclamative questions, the form is written with an acute accent as quiénes (for example, ¿Quiénes vienen?). In indirect questions, the accent is preserved as well (No sé quiénes morirán). As a relative pronoun, the form quienes (without an accent) is used to refer to people previously mentioned or known, introducing clauses that describe them (Las personas, quienes llegaron temprano, recibieron certificados).
Etymology and related forms: Quien derives from the Latin quis, with the plural form quienes used in
Usage notes: Quienes can function as a subject or object within the subordinate clause of a sentence,
Summary: Quienes serves as the plural interrogative pronoun form with accent in questions and as the plural