"William of Hainaut" . "Count William of Hainaut" . . "William I of Hainaut" . . . "William III" . "William, Count of Hainaut and Holland" . . . "William I, Count of Hainaut" . . . . . "Willem III" . "William I" . . . . . "1286" . "William I, Count of Holland" . . . "John" . . . "William the Good" . . . . "Guillaume, Count of Hainaut and Holland" . "William III of Holland" . . . "Count of Hainaut, Holland, and Zeeland" . "William I, Count of Hainaut" . . "1337-06-07" . "William of Avesnes" . "1337" . . . "Count of Holland, William I" . "Count William III" . "William III, Count of Hainault" . . . "Count of Hainaut" . "William of Hainault" . "Wiliam III of Holland" . . "Count William III of Holland" . . . . . "William" . . "William III, Count of Holland" .