She was born in Camargo. Her father was Lorenzo de la Garza, and her mother was Josefa Perez.
She married Jose Marcelino Longoria, son of Jose Matias Longoria and Maria Margarita Hinojosa on 18 May 1801 in Matamoros. The groom was 54 years old. It was his fourth marriage. His father owned Porción 93, Camargo. Marriage source: link.