Complex sentence: Half a year later, she attended a ceremony in which judges stated that she was a virgin; the divorce could be permitted since as a putative virgin, Lucrezia could not have consummated her marriage with Giovanni.
Split into simpler sentences: Half a year later she attended a ceremony in which judges stated that she was a virgin. The divorce could be permitted, since as a putative virgin Lucrezia could not have consummated her marriage with Giovanni.