His father was Tomas de Olivares, and his mother was Ana Gertrudis Longoria. His father owned Camargo 8 grant, Camargo 34 grant, Camargo 35 grant, Camargo 37 grant.
He married Maria Josefa Garcia, daughter of Bartolome Garcia and Maria de la Luz de la Garza (?). Her father owned Camargo 26 grant, Camargo 28 grant.
He married Juana Maria Lopez. It was his second marriage.