The reign of Mindaugas II was accepted by the Catholic Church and by several European countries as is seen in the letter from Pope Benedict XV welcoming Wilhelm’s selection as the future King of Lithuania, as well as different “noble registers” such as the Almanac of Gotha.
Amalie married Wilhelm, 2nd Duke of Urach (later Mindaugas II of Lithuania), eldest son of Wilhelm, 1st Duke of Urach and his second wife Princess Florestine of Monaco, on 4 July 1892 in Tegernsee, Kingdom of Bavaria.