Albert I, Duke of Mecklenburg-Stargard Albrecht I., Herzog zu Mecklenburg (1367–1397) (1367–1397) Parents Agnes of Lindau-Ruppin John I, Duke of Mecklenburg-Stargard Children Siblings Ulrich I, Duke of Mecklenburg-Stargard Anna of Mecklenburg-Stargard John II, Duke of Mecklenburg-Stargard Rudolf of Mecklenburg-Stargard John IV of Werle Matilda of Werle-Goldberg Agnes of Werle