A duke of this ethnicity married a princess whom Anna Komnene described in battle as like “a second (15[1])Athena,” named (15[1])Sikelgaita. (15[1])A ruler of this (15[1])ethnicity commissioned the painted muqarnas (15[1])ceilings of the Cappella Palatina, (15[1])as well as an atlas whose 70 maps (15[1])are oriented south-up. (15[2]-5[2])Duke (10[1])Guaimario IV relied on the military services of brothers of this ethnicity (15[1]-5[3])from Hauteville, (15[1])one (15[1])of whom (15[1])was nicknamed (15[1])“the Terror.” (15[2])The geographer (15[1])al-Idrisi was commissioned to create the (*) Tabula Rogeriana by a king (10[1]-5[1])of this ethnicity (10[1]-5[1])who ruled Sicily. (10[3])In return (-5[1])for ending the 911 (10[1])CE Siege of Chartres (10[1])(“SHART-ruh”), Charles the Simple granted a duchy to an ancestor (10[3])of these people, the Viking Rollo. (10[2]-5[1])An artwork depicting (-5[1])an invasion by these (10[1])people (-5[1])features Halley’s Comet and is housed at Bayeux Cathedral. (10[1])For 10 points, name these people who invaded England under William the Conqueror. (10[1])■END■ (10[7])