Mathilde of Brunswick-Lunebourg Peerage person ID=7790 Parents Otto II, Duke of Brunswick-Lüneburg Mathilda of Bavaria Children Siblings William II, Duke of Brunswick-Lüneburg Sophie of Brunswick-Lüneburg Otto III Ludwig von Braunschweig-Lüneburg Jutta von Braunschweig-Lüneburg Luitgard of Brunswick-Lüneburg John of Brunswick-Lunebourg Partners Nicholas II of Werle