Johan Albrecht von Mengden Baltic German politician (1663-1720) (1663–1720) Parents Gustav von Mengden Barbara Finck von Finckenstein Children Karl Ludwig Frh. von Mengden Georg Freiherr Mengden Johann Heinrich Frh. von Mengden Siblings Magnus Gustav von Mengden Barbara von Mengden Elisabeth Eleonore von Mengden Carl Friedrich Freiherr von Mengden