William V, Duke of Aquitaine
Duke of Aquitaine and Count of Poitou
Years: 969 - 1030
William V (969 – 31 January 1030), called the Great (le Grand), is Duke of Aquitaine and Count of Poitou (as William II or III) from 990 until his death.
William V (969 – 31 January 1030), called the Great (le Grand), is Duke of Aquitaine and Count of Poitou (as William II or III) from 990 until his death.