Juan Caballero de los Olivos was the son of Sgt. Maj. Lucas Caballero de los Olivos and Margarita Rodriguez de Montemayor.
He married Juana Josefa Ballesteros.
He requested a dispensation to marry Margarita de la Garza (Montemayor) in 1733. Dispensation source: Guerra et al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.262.