Jose Benito Lopez de Jaen was born circa 1741, the son of Francisco Lopez de Jaen and Maria Agustina Longoria.
He married Maria Josefa Cano.
Maria Josefa Lopez de Jaen married Juan Jose de la Garza Montemayor, who owned Camargo 13, Camargo 15, Camargo 16.
In 1767, as the son of a primitivo poblador, he was granted Camargo 15 by the King of Spain.
He sold Camargo 15 to Juan Jose de la Garza Montemayor.