There's no mention of a relationship of Dante Orsali to the deceased. As far as we know, he was just one of the declarers (the guys who went to the Town Hall to declare the death). In the case of Costantino, the other one was Guido Sartini.
Giuseppe "Pippo" Moccaldi
Certificate requests and genealogical researches in Italy. Translation of your (old) documents and letters. Legal assistance in Italy for your Italian citizenship.