Otto IV, Holy Roman Emperor

Parents

• Matilda of England, Duchess of Saxony
• Henry the Lion

Children

Siblings

• William of Luneburg
• Gertrude of Bavaria
• Matilda of Saxony
• Henry V, Count Palatine of the Rhine
• Lothaire von Sachsen
• son von Sachsen
• Eleanor von Sachsen
• Ingibiorg von Sachsen
• Rixa von Sachsen
• Maud von Braunschweig

Partners

• Beatrice of Swabia
• Maria of Brabant