Blas Maria de la Garza Falcon Treviño was born circa 1591, the son of Marcos Alonso de la Garza y Arcon and Juana Treviño Quintanilla.
He married Beatriz Gonzalez Hidalgo Navarro.
Blas de la Garza Falcon married Teresa Guerrero.
Francisca de la Garza married Juan de Pedraza.
Sgt. Major Juan de la Garza Falcon was born circa 1620. He married Margarita de Montemayor.
Maria Inez de la Garza was born circa 1633. She married Diego Rodriguez de Montemayor.
Francisco de la Garza Falcon was born circa 1640. He married Leonor Garcia de Sepulveda.