Category:Duke Johann Albrecht of Mecklenburg

English: HH Duke Johann Albrecht Ernst Konstantin Friedrich Heinrich of Mecklenburg (8 December 1857-16 February 1920) was the regent of the Grand Duchy of Mecklenburg-Schwerin from 1897-1901 and the Duchy of Brunswick from 1907-1913. Johann Albrecht was married twice, firstly to Princess Elisabeth of Saxe-Weimar-Eisenach (1854-1908) the daughter of Charles Alexander, Grand Duke of Saxe-Weimar-Eisenach. He was married secondly to Princess Elisabeth of Stolberg-Rossla (1885-1969), who would following his death marry his half brother Duke Adolf Friedrich in 1924. Both of Johann Albrecht's marriages were childless.