Diego de la Fuente y Peñalosa was the son of Andres de la Fuente Peñalosa and Maria Diaz Truxeque.
He married Juana Fernandez de Tijerina.
He requested a dispensation to marry Francisca Cantu in 1689. Dispensation source: Guerra et al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.160.
Josefa de Peñalosa married Joseph Garcia Davila.