In Duke Richard II's Normandy an impoverished knight named Tancred de Hauteville struggled to provide for his twelve sons. The eldest of them - William - declined his inheritance and headed to southern Italy to seek his trade as a mercenary. He was the first of the Normans to set foot in Sicily and, under the service of a Byzantine general, he found fame and fortune beyond his wildest hopes. Join Lars Brownworth as he looks at William Iron-Arm, the man who set the foundations of a family legacy that would one day outshine even the Duke of Normandy.