Otto V, Margrave of Brandenburg-Salzwedel Margrave and co-ruler of Brandenburg (1246–1298) Parents Beatrice of Bohemia Otto III, Margrave of Brandenburg Children Albrecht von Brandenburg Beatrice of Brandenburg Judith von Brandenburg Herman, Margrave of Brandenburg-Salzwedel Otto von Brandenburg Matilda of Brandenburg, Duchess of Poland Kunigunde von Brandenburg Siblings Matilda of Brandenburg John III, Margrave of Brandenburg-Salzwedel Albert III, Margrave of Brandenburg-Salzwedel Otto VI, Margrave of Brandenburg-Salzwedel Kunigunde of Brandenburg, Duchess of Slavonia Partners Judith of Henneberg-Coburg