He was born circa 1744. His father was Francisco Guerra, and his mother was Ana Josefa de la Garza. His father owned Mier 66 grant.
He married Isabel Maria Treviño, daughter of Bartolome Treviño and Ana Maria Garcia. Her father owned Camargo 97 grant.
Maria Julia Guerra Cañamar. She married Jose Antonio Herculano Peña, son of Jose Antonio Peña and Maria Petra Garcia on 10 Jan 1811 in Mier.
Maria Petra Guerra Cañamar. She married Jose Antonio Ramirez, son of Jose Matias Ramirez and Maria Juliana Gonzalez.
Jose Francisco Guerra Cañamar, born 1776. He married Maria Juana Chapa, daughter of Jose Joaquin Chapa and Maria Tomasa Benavides on 28 Feb 1795 in Mier.
Antonio Matias Guerra Cañamar, born 1777. He married Francisca Pineda, daughter of Juan Jose Pineda and Rafaela Hinojosa.
Maria Tomasa Guerra Cañamar, born 1780. She married Jose Manuel Guerra, son of Antonio Albino Guerra and Maria Rosalia Salinas.
Jose Ysidoro Guerra Cañamar, born 1781. He married Luisa Ramirez, daughter of Jose Matias Ramirez Peña and Maria Juliana Gonzalez in 1803. He owned Palo Blanco (tract).
Maria Segunda Guerra Cañamar, baptized 3 Mar 1783 in Mier. She married Jose Antonio Tiburcio Canales, son of Juan Antonio Canales and Maria de los Santos Garcia in 1802.
Jose Antonio Guerra Cañamar, born 1785. He married Josefa Salinas, daughter of Cecilio Salinas and Maria Luisa Hinojosa.
Jose Mateo Guerra Cañamar, born 1786.
Maria Encarnacion Guerra Cañamar, born 1788. She married Francisco Antonio Montalvo, son of Antonio Montalvo and Maria Petra Salinas on 17 Feb 1806.
Juan Jose Guerra Cañamar, born 1790.
In 1782, he lived in Mier in household number 35. The church census recorded that he was married, español, and 40 years old. His household included 6 people:
Juan Manuel Guerra Cañamar, married, español, age 40.
Isabel Maria Treviño, married, española, age 26.
Jose Francisco Guerra Cañamar, a young child, español, age 6.
Antonio Matias Guerra Cañamar, a young child, español, age 5.
Maria Tomasa Guerra Cañamar, a young child, española, age 2.
Jose Ysidoro Guerra Cañamar, a young child, español, age 1.
In 1791, he lived in Mier in household number 31. The church census recorded that he was married, español, and 49 years old. His household included 12 people:
Dn Juan Manuel Guerra Cañamar, married, español, age 49.
Da Isabel Maria Treviño, married, española, age 39.
Jose Francisco Guerra Cañamar, single, español, age 14.
Antonio Matias Guerra Cañamar, a child, español, age 13.
Maria Tomasa Guerra Cañamar, a child, española, age 11.
Jose Ysidoro Guerra Cañamar, a child, español, age 10.
Maria Segunda Guerra Cañamar, a child, española, age 8.
Jose Antonio Guerra Cañamar, a child, español, age 6.
Jose Mateo Guerra Cañamar, a child, español, age 5.
Maria Encarnacion Guerra Cañamar, a young child, española, age 3.
Juan Jose Guerra Cañamar, a young child, español, age 1.
Antonia Rita Guerra, a child, india, age 10.