The strongest leader of the southern Normans. "Guiscard" is often rendered "the Cunning," "the Wily," or "the Weasel." The intriguing sobriquet only belongs to Robert Guiscard, the Norman conqueror of Southern Europe in a thousand years. In the middle of the 11th century, Guiscard moved to Italy with his father and brothers. The blood of brave fighters helped him get the lands. When Giscard became the duke of Calabria, the Normans were still weak in Italy, but Giscard would change their fate in the future. As a visionary leader and outstanding military general, Guiscard defeated the pope of Rome, Michael VII, the emperor of Byzantine and Henry IV, the emperor of Germany. He expanded his territory from the border to the whole of Italy, conquered Macedonia and finally entered Greece. The Normans developed from 300 mounted troops into a powerful army with 1,300 elite heavy cavalries, 30,000 infantries and hundreds of warships. Guiscard was 70 when he led his troops to conquer Constantinople. In 1130, Roger the nephew of