The son of Pepin the Short, this man had his lands divided into three parts at the Treaty of Verdun.  
This man used missi dominici to investigate his lands.  Pope Adrian I asked him to conquer the Lombards early in his reign, and his attempts to eradicate the Moors ended with an unsuccessful attempt to capture Saragossa.  This man was served by men such as his tutor Alcuin and his biographer Einhard.  The son of Pepin the Short, this man had his lands divided into three parts at the Treaty of Verdun.  He was crowned Holy Roman Emperor by Pope Leo III on Christmas Day in the year 800 A.D.  For 10 points, name this member of the Carolignian dynasty, a leader of the Franks.
This man used missi dominici to investigate his lands.  Pope Adrian
{Charlemagne} [accept Charles the Great]