He completed his primary education in Mexico City. Thanks to his father's military position, who rose to the rank of Lieutenant Colonel, Juan de la Barrera entered the Military Academy on February 15, 1841, before turning thirteen.
José Sarmiento Valladares José Sarmiento de Valladares y Arines Troncoso de Romay, Duque de Atlixco * 04.05.1643 San Román de Saxamonde / † 10.09.1708 Madrid / -