She was born circa 1739. Her father was Nicolas Sanchez de la Barquera, and her mother was Isabel Palacios.
Nicolas Sanchez de la Barquera, head of household
Isabel Palacios, wife, mestiza
Jose Miguel Sanchez de la Barquera, son, 24 years old
Tomas Sanchez de la Barquera, son, 12 years old
Maria Gertrudis Sanchez de la Barquera, daughter, 11 years old