He was born circa 1669, and was baptized 6 Jun 1669 in Monterrey. His father was Gabriel de la Garza, and his mother was Petronila Sepulveda de Renteria.
In 1696, he requested a dispensation to marry Maria Cavazos. He was 27 years old. Dispensation source: Guerra, et. al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.162.
Gabriel de la Garza. In 1748, he requested a dispensation to marry Javiera Fernandez.
Santiago de la Garza. In 1721, he requested a dispensation to marry Clara de Treviño.
Petronila Serena de la Garza. In 1721, she requested a dispensation to marry Joseph de Treviño.
Ana Maria de la Garza. She married Lazaro de los Santos Coy.
Javiera de la Garza. She married Antonio Fernandez.