William IV

Parents

• Gerberga of Burgundy
• William II of Provence
• Gerberge de Bourgogne

Children

Siblings

• Fulk Bertrand of Provence
• Geoffrey I of Provence
• Bernard I of Werl
• Herman III of Swabia
• Matilda of Swabia
• Herman II of Werl
• Rudolf von Werl
• Beatrix of Swabia
• Gisela of Swabia