His father was Francisco Javier de Sosa, and his mother was Pascuala de los Reyes. In 1750, he lived in Camargo. The census recorded that he was the head of a household. His household had 7 people, and they did not receive government aid to move to the colony. He owned Porción 41, Camargo.
He married Maria de la Ascencion (I).
Antonio de Jesus de Sosa. He married Matiana Ramirez in Jan 1774 in Camargo.
Maria Bartola de Sosa, born 1740. She married Juan de Dios Morin.
Maria de Jesus de Sosa, born 1742. She married Clemente Vargas, son of Domingo de la Trinidad Vargas and Maria Josefa Solis.
Jose Julian de Sosa, born 1743. He married Maria de la Asencion Vargas. He owned Porción 40, Camargo.
Maria Gertrudis de Sosa, born 1746.
Pedro de Sosa, born 1748. He owned .
Porción 41, Camargo