Grand Duchy of Mecklenburg-Schwerin
Princess Elisabeth Sybille of Saxe-Weimar-Eisenach (28 February 1854, in Weimar, Saxe-Weimar-Eisenach – 10 July 1908, in Schloß Wiligrad near Lübstorf, Grand Duchy of Mecklenburg-Schwerin) was the first wife of Duke Johann Albrecht of Mecklenburg, Regent of Mecklenburg-Schwerin and of the Duchy of Brunswick.