Peña's parents were originally farmers, and emigrated from Mexico; his father was from Villa Purificación, Jalisco, and his mother was from Charcas, San Luis Potosí.
Rodzice Pena byli pierwotnie rolnikami i wyemigrowali z Meksyku; Jego ojciec był z Villa Purificación w Jalisco, a matka pochodziła z Charcas w San Luis Potosí.