Wilhelm Ernst I, Grand Duke of Saxe-Weimar-Eisenach Grand Duke of Saxe-Weimar-Eisenach (1876–1923) Parents Princess Pauline of Saxe-Weimar-Eisenach Charles Augustus, Hereditary Grand Duke of Saxe-Weimar-Eisenach Children Bernhard Friedrich Prinz von Sachsen-Weimar-Eisenach Princess Sophie of Saxe-Weimar-Eisenach Charles Augustus, Hereditary Grand Duke of Saxe-Weimar-Eisenach Jörg Brena Siblings Prince Bernhard of Saxe-Weimar-Eisenach Partners Princess Feodora of Saxe-Meiningen Princess Caroline Reuss of Greiz
