Mathilda of Bavaria Bavarian princess (1275–1319) Parents Matilda of Habsburg Louis II, Duke of Bavaria Children Luitgard of Brunswick-Lüneburg Ludwig von Braunschweig-Lüneburg Jutta von Braunschweig-Lüneburg William II, Duke of Brunswick-Lüneburg Mathilde of Brunswick-Lunebourg John of Brunswick-Lunebourg Otto III Sophie of Brunswick-Lüneburg Siblings Louis IV of Bavaria Rudolf I Agnes of Bavaria, Margravine of Brandenburg-Stendal Anna of Bavaria Agnes von Bayern Ludwig of Bavaria Marie of Bavaria Partners Otto II, Duke of Brunswick-Lüneburg