Francisco Baez de Treviño was born circa 1660, the son of Francisco de Treviño and Luisa Baez de Benavides Martinez.
He married Catalina de Treviño y Maya on 20 Aug 1679 in Monterrey.
Lucia Baez Treviño married Jacinto de la Garza.
Luisa Baez de Treviño married Martin Peña.
Nicolasa Baez de Treviño was born on 24 Sep 1687 in Monterrey. She married Cristobal Guerra Cañamar.