He was born circa 1750. His father was Bartolome Mendez, and his mother was Francisca Gonzalez. In 1791, he lived in Mier in household number 50. The church census recorded that he was married, español, and 41 years old. His household included 2 people.
He married Tadea Garcia, daughter of Antonio Garcia and Rosalia Solis on 22 May 1782 in Cerralvo. He was 32 years old, and the bride was 18 years old. Marriage source: link.