Upon the death of his father in Otranto, Andrea Matteo, as the elder surviving son, inherited the title of Duke of Atri and Count of S. Flaviano, which made him feudal lord of much of Abruzzo. He also received the maternal fiefdoms with the title of Count of Conversano.
Upon the demise of his father in Otranto, Andrea Matteo, as the elder surviving son, inherited the title of Duke of Atri and Count of S. Flaviano, which made him a feudal lord over much of Abruzzo. He also received the maternal estates with the title of Count of Conversano.