He was born circa 1690. His father was Joseph Eugenio de la Garza Falcon, and his mother was Juana de Villarreal.
He married Maria Petra de la Garza.
He married Maria Javiera Guerra. It was his second marriage.
Francisco Borjas de la Garza Falcon, born 1748. He married Maria Victoriana Garcia, daughter of Diego Garcia and Maria Gertrudis Salinas on 11 Feb 1784 in Mier. Their padrino was Julian Flores, and their madrina was Maria Teresa Ramirez Peña.