His father was Capt. Francisco de la Garza Falcon, and his mother was Juana Garcia Gutierrez.
He married Petronila Sepulveda de Renteria, daughter of Jacinto Garcia de Sepulveda and Clara de Renteria.
He married Clara de la Garza, daughter of Sgt. Major Juan de la Garza Falcon and Maria Margarita Rodriguez de Montemayor. It was his second marriage.
He married Maria de las Casas, daughter of Juliana de las Casas. It was his third marriage.
Antonia de la Garza. On 20 Aug 1695, she requested a dispensation to marry Nicolas de Ayala Benavides in Monterrey due to 3rd & 4th degree blood relation. They were married on 21 Sep 1695. Her husband died on 25 Apr 1741 in Monterrey. He was 72 years old.
Francisco de la Garza. In 1692, he requested a dispensation to marry Margarita Fernandez de Tijerina.
Juana Josefa de la Garza. In 1688, she requested a dispensation to marry Andres Fernandez de Tijerina.
Manuel de la Garza. In 1729, he requested a dispensation to marry Francisca Javiera de la Garza.
Bernabe de la Garza. In 1706, he requested a dispensation to marry Beatriz de Villarreal. In 1698, he requested a dispensation to marry Ana Nicolasa Gonzalez de Quintanilla. He married Josefa Mascorro.
Isidro de la Garza. In 1711, he requested a dispensation to marry Antonia Gonzalez.
Ignacio de la Garza. In 1711, he requested a dispensation to marry Polonia Fernandez de Castro.
Juan Antonio de la Garza. He married Juana Francisca de los Santos Coy, daughter of Lazaro de los Santos Coy and Angela Berlango Lobo.
Lucas de la Garza. He married Ana Maria de la Garza, daughter of Joseph de la Garza and Isabel de Arellano.
Joseph de la Garza. In 1702, he requested a dispensation to marry Luisa Guerra. In 1701, he requested a dispensation to marry Maria Lozano.
Agustin de la Garza. He married Andrea Galvan.
Gabriel de la Garza, baptized 6 Jun 1669 in Monterrey. In 1696, he requested a dispensation to marry Maria Cavazos.
Juan de la Garza, born 1676. He married Maria Eugenia de los Santos Coy, daughter of Lazaro de los Santos Coy and Angela Berlanga Lobo Guerrero. He died in Jun 1714. Cause of death: killed by Indians. He was 38 years old.