He was born circa 1759, and was baptized 13 May 1759 in Santa Rosa. His father was Vicente de Alderete, and his mother was Maria Josefa Garcia de Rivera.
He married Maria Justa Francisca de Urrutia, daughter of Pedro Fermin de Urrutia and Maria Catarina Soberon on 17 Jan 1788 in Santa Rosa. He was 29 years old, and the bride was 30 years old. Their padrino was Juan Cortes, and their madrina was Catarina de Urrutia. Marriage source: link.
Jose Miguel Aldrete, born 1799. He married Maria Candelaria de Leon, daughter of Martin de Leon and Patricia de la Garza.
In 1817 he served as Commander of the Presidio of La Bahia, Goliad County, Texas.