Miguel de la Garza was the son of Lazaro de la Garza Falcon and Petronila de Montemayor.
He requested a dispensation to marry Clara de Renteria in 1685. Dispensation source: Guerra et al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.49.
Margarita de la Garza (Montemayor) married Miguel de Ochoa, Juan Caballero de los Olivos.
Maria de la Garza married Francisco Rosillo, Francisco de la Garza.