He married Maria Guadalupe Garcia.
Jose Gregorio Barrera, born 1749. He married Maria Juliana Benavides. He owned Mier 38 (tract).
Maria Guadalupe Barrera, born 1752. She married Jose Tomas Gonzalez, son of Jose Alonzo Gonzalez and Maria Guadalupe Garcia on 1 Jan 1782 in Mier.
Maria Rita Barrera, born 1752. She married Tomas de la Garza, son of Francisco de la Garza and Maria Candida Garcia Sepulveda on 1 Dec 1772 in Mier. She married Jose Maria Escobar, son of Jose Antonio Escobar and Tadea Rocha on 10 Jan 1798 in Mier.
In 1757, he lived in Mier in household number 41. The church census recorded that he was married to Maria Guadalupe Garcia. His household included 7 people, including 5 children. He had arms, 4 tame horses with a herd of 25 horses. He was absent with permission.
In 1767, he was granted Mier 38 by the King of Spain.