She was born circa 1711. Her father was Francisco Garcia, and her mother was Maria Gertrudis Guajardo. In 1750, she lived in Camargo. The census recorded that she was the wife of a settler, and española. Her household had 7 people, and they received government aid to move to the colony.
She married Jose Miguel Eusebio Chapa, son of Jose Nicolas Chapa and Maria Inez Baez de Benavides.
She married Bartolome Treviño, son of Joseph de Treviño and Maria Josefa Leal de Leon in Cerralvo?. It was her second marriage, and his second marriage. He owned Porción 97, Camargo.
Jose Lorenzo Treviño, born 1737. He married Maria Rita Gutierrez. He owned Porción 96, Camargo, Porción 98, Camargo.
Nicolas Jose Chapa, born 1740. He married Maria Josefa Lopez, daughter of Juan Bautista Lopez and Josefa Bermudez. He owned Porción 22, Camargo.
Jose Miguel Chapa, born 1742. He married Maria Teresa Treviño?, daughter of Antonio Treviño and Isabel Cavazos. He owned Porción 23, Camargo, Porción 24, Camargo, Porción 28, Camargo.
Maria Josefa Treviño, born 1747. She married Ignacio Anastasio de Ayala. She married Pedro Lopez Prieto. Her husband died on 28 Aug 1786 in Camargo.
Maria Teresa Treviño, born 1750. She married Gervacio Hinojosa, son of Diego Hinojosa and Josefa de la Garza. Her husband died on 17 Oct 1827. He was 93 years old.
Bartolome [Jr] Treviño, born 1751. He married Rosa Guerra Cañamar, daughter of Francisco Guerra and Ana Josefa de la Garza on 13 Feb 1776 in Mier.
Isabel Maria Treviño, born 1756. She married Juan Manuel Guerra Cañamar, son of Francisco Guerra and Ana Josefa de la Garza.