He was born circa 1724. His father was Juan Francisco Olivares, and his mother was Josefa Benavides. His mother owned land in Porción 91, Camargo. In 1750, he lived in Camargo. The census recorded that he was the son of a settler, and 26 years old. His household had 4 people, and they received government aid to move to the colony. soldier (1767)
He married Maria Rosalia de Hinojosa, daughter of _ Hinojosa.
In 1767, as a soldier and the son of a primitivo poblador, he was granted Camargo 6 by the King of Spain.