He was the son of Robert Guiscard, the conqueror of southern Italy and Sicily; Roger was not as adept as his father, and most of his reign was spent in feudal anarchy.
Dia adalah putra Robert Guiscard, penakluk Italia selatan dan Sisilia; Roger tidak mahir seperti ayahandanya, dan sebagian besar pemerintahannya dihabiskan dalam anarki feodal.