When Alejandro Acosta Valdez was born about 1910, in San Nicolas, Ilocos Norte, Philippines, his father, Agapito Valdez, was 20 and his mother, Felipa Acosta, was 18. He had at least 3 sons and 1 daughter with Florentina Ulep. He died about 1960, in his hometown, at the age of 50.