He was born circa 1756. His father was Miguel Lopez de Jaen, and his mother was Maria Gertrudis Longoria. He owned Porción 20, Mier. refused by Nicolas Gonzales Jr. Given to Alvino Gonzales, then Antonio Lopez.
He married Francisca Javiera de la Garza on 17 Jun 1777 in Mier. He was 21 years old.
Porción 20, Mier