Otto IV, Holy Roman Emperor

Parents

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

Children

Siblings

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

Partners

• Maria of Brabant
• Beatrice of Swabia