Rulers
*King William I of England (William the Conqueror, William the Bastard)*King William II of England
*King William III of England (Prince William III of Orange, King William II of Scotland, William of Orange)
*Emperor William I of Germany
*Emperor William II of Germany
*William I, Count of Holland (see also William of Holland)
*William II, Count of Holland
*William III, Count of Holland
*William IV, Count of Holland
*William V, Count of Holland
*William VI, Count of Holland
*King William I of the Netherlands
*King William II of the Netherlands
*King William III of the Netherlands
*Prince William I of Orange (William the Silent)
*Prince William II of Orange
*Prince William III of Orange (King William III of England)
*Prince William IV of Orange
*Prince William V of Orange
*Count William of Poitiers
*King William I of Scotland (William the Lion)
*King William II of Scotland (King William III of England)
*King William I of Sicily
*King William II of Sicily
*King William III of Sicily
*King William IV of the United Kingdom
*Prince William of Wales
*Prince William II Villehardouin
*Duke William IV "The Rich" of Cleves
*William, Archbishop of Mainz
*William, Count of Poitiers
Medieval philosophers, theologians, and saints
* William of Auxerre (d. 1231), theologian* William of Champeaux (1070 - 1121), theologian
* William de Corbeil, English bishop
* William of Conches (1080 - 1154), philosopher
* William of Gellone saint
* William of Mainz, German bishop
* William of Malmesbury, English historian
* William of Moerbeke (1215 - 1286)
* William of Norwich (1132 - 1144), saint and supposed martyr
* William of Ockham, English friar, philosopher and originator of Ockham's razor
* William de la Pole, English nobleman
* William of St. Carilef, English bishop
* William of St. Thierry (1085 - 1148), theologian
* William of Tyre, Bishop in the Holy Land
* William of Waynflete (1395 - 1486), bishop
* William of Wied, German nobleman
* William of Wykeham, English bishop
* Saint William of York, English bishop
la:Gulielmus
Biography courtesy of the brilliant Wikipedia!
