In this case, Manius Curius had been named as the substitute heir Durante the wealthy Marcus Coponius’ will. The will stated that Curius would inherit Coponius’ estate until Coponius had a son who came of age. When Coponius died without a son, his family argued that this invalidated the will. https://www.attorneysitaly.com/anzio-italy-english-speaking-lawyers.html