Antonio was born on July 18, 1897, in Castellammare Del Golfo, a coastal town in the provence of Trapani. His father, Giovanni Magaddino, and his brothers were respected leaders in the region. He was born during a long going feud between the Magaddino-Bonanno alliance against a rival family called the Buccelato's and their clans. The war came to an end when leaders Salvatore Bonanno and Felice Buccelato made peace in 1905. In the years to follow members of the Bonanno's and Magaddino's would make the journey across the ocean to America. Antonio and his brothers remained in Castellammare Del Golfo and were taught by their father and uncles. However, sometime later the Magaddino's headed back to war with the Buccelato's which forced Salvatore Bonanno, his wife and child Giuseppe, to return t