Otto I of Brunswick-Lüneburg Roman Catholic bishop (1246–1279) Parents Matilda of Brandenburg, Duchess of Brunswick-Lüneburg Otto the Child Children Siblings Mathilde of Brunswick-Lüneburg Adelaide of Brunswick-Lüneburg John, Duke of Brunswick-Lüneburg Albert I, Duke of Brunswick-Lüneburg Conrad of Brunswick-Luneburg Elisabeth of Brunswick-Lüneburg Helene of Brunswick-Lüneburg Agnes of Brunswick-Lüneburg
