Gregorio Fernandez de Tijerina was the son of Gregorio Fernandez de Tijerina and Beatriz Gonzalez.
Maria Fernandez married Juan Garcia de Velastigui.
Ignacio Fernandez married Magdalena de la Garza.
Nicolasa Fernandez married Jose Maria Chapa.
Luisa Fernandez was baptized on 17 Sep 1676 in Monterrey. She married Juan de las Casas.