William III of Angoulême was the twelfth count of Angoulême. William III was a fifth generation descendant of Count Arnold I. He was born in 1084, the son of Count Fulk of Angoulême and the grandson of Geoffrey of Angoulême and Petronille De Archiac. William III's reign lasted from 1089 until 1118. In 1108 he married Vitapoy De Benauges. Their son, Wulgrin II, was born in 1108 and succeeded William III as the thirteenth count of Angoulême.
