He was born circa 1737, and was baptized 15 Sep 1737 in Monterrey. His father was Juan Jose Guerra, and his mother was Maria Josefa de la Garza. His padrino was Dn Joaquin Tadeo de Arispe, and his madrina was Da Ana Maria de la Garza. Birth source: link
He married Maria Barbara de Ayala on 25 Nov 1762 in Monterrey. He was 25 years old, and the bride was 16 years old.
Juana Francisca Guerra Ayala. She married Juan Jose Sixto Saldaña, son of Francisco Saldaña and Maria Ygnes de Peña on 6 Nov 1787 in Monterrey.
Jose Leonardo Guerra. He married Maria Gertrudis Saldaña, daughter of Jose Manuel Saldaña and Maria Catarina Petra de la Peña on 22 May 1794 in Monterrey.