Juana Javiera Narcisa Ecay Muzquiz was baptized on 8 Nov 1739 in Monclova, the daughter of Jose Joaquin de Ecay Muzquiz and Mariana de la Garza Falcon. Her padrino was Bartolome de Toralva, and her madrina was Juana de Ecay Muzquiz. Birth source: (Link to original).