He was born circa 1718. His father was Miguel Lopez de Jaen, and his mother was Ana Sanchez. In 1750, he lived in Camargo. The census recorded that he was the head of a household, and español. His household had 14 people, including 3 servants, and they received government aid to move to the colony. He owned Porción 12, Camargo.
He married Maria Agustina Longoria, daughter of Juan Diego Longoria and Clara Maria Chapa.
Jose Manuel Lopez de Jaen. He was an adopted child.
Maria Gertrudis Lopez de Jaen. She was an adopted child.
Jose Santiago Lopez de Jaen, born 1736. He owned Porción 92, Camargo.
Maria Francisca Lopez de Jaen, born 1738. She married Bernardo Gomez de Castro, son of Pedro Gomez and Maria de la Garza.
Jose Manuel Lopez de Jaen, born 1740. He married Maria Josefa Vela, daughter of Diego Vela and Maria Rosalia Gonzalez. He owned Porción 14, Camargo.
Jose Benito Lopez de Jaen, born 1741. He married Maria Josefa Cano. He owned Porción 15, Camargo.
Jose Rafael Lopez de Jaen, born 1742. He married Antonia Farias.
Jose Francisco Lopez de Jaen, born 1743. He owned Porción 16, Camargo.
Jose Vicente Lopez de Jaen, born 1744.
Juan Jose Lopez de Jaen, born 1746. He married Angela Petra Regalado Peña, daughter of Jose Salvador Peña and Antonia Narisca Torres on 14 Feb 1779 in Mier.
Jose Fermin Lopez de Jaen, born 1748.
Porción 12, Camargo