William IV, Duke of Aquitaine
William IV, called Fierebras or Fierebrace, was the Duke of Aquitaine and Count of Poitou from 963 to his retirement in 990.
William's father, William III, abdicated to the abbey of Saint-Cyprien in Poitiers and left the government to Fierebras.... Wikipedia
Born: 937 AD, Poitiers, France
Died: February 3, 994 AD (age 57 years), Saint-Maixent-l'École, France
Great grandchildren: William IX, Duke of Aquitaine, Henry IV, Agnes of Aquitaine, Queen of León and Castile, and more
Great-grandparents: Ranulf II of Aquitaine and NN de Bretagne
Grandchildren: William VI, Duke of Aquitaine, William VII, Duke of Aquitaine, William VIII, Duke of Aquitaine, and more
Parents: William III, Duke of Aquitaine and Gerloc
Children: William V, Duke of Aquitaine