Sts. Liberata and Faustina were the daughters of one Giovannato, who lived in the fortress of Olgisio in Pianello Val Tidone, in the province of Piacenza, where there are prehistoric caves known as the caves of the "Saints". Although promised in marriage, after a vision of a woman mourning the death of her husband, the sisters fled the castle and lived as a hermits.  They later...