Isabel Maria de la Garza was the daughter of Lucas de la Garza and Ana Maria de la Garza.
She married Nicolas de la Garza on 28 Nov 1759 in Monterrey.
Ygnacio de Jesus de la Garza was born circa 1763. He married Maria Antonia Vera.
Maria Viviana de la Garza was born circa 1766. She married Jose Nepomuceno Resendez.
Maria Francisca de la Garza was born circa 1768.