He was born circa 1769. His father was Marcelino Saenz, and his mother was Margarita Almaraz. His father owned Porción 25, Mier. In 1782, he lived in San Nicolas/ Santa Rosalia de la Bonita in household number 136. The church census recorded that he was a child, español, and 13 years old. His household included 6 people.
He married Maria Teresa Olivares, daughter of Jose Antonio Olivares and Maria Catarina Peña on 5 Oct 1784 in Mier. He was 15 years old, and the bride was 17 years old. Their padrino was Juan Angel Saenz, and their madrina was Maria Gertrudis - . Her father owned Porción 17, Mier.