Louis I, Grand Duke of Hesse
In 1776, he became engaged to Sophie Dorothea of Württemberg, eldest daughter of Frederick II Eugene, Duke of Württemberg. The engagement was broken off so that Sophia Dorothea could marry Louis's recently widowed brother-in-law Tsarevich Paul Petrovich, son and heir of Catherine II "the Great", Empress of Russia. He received a monetary compensation when the engagement was broken.
Duke Paul Wilhelm of Württemberg
Paul Wilhelm married Princess Maria Sophia of Thurn and Taxis, fifth child and fourth daughter of Karl Alexander, 5th Prince of Thurn and Taxis and his wife Duchess Therese of Mecklenburg-Strelitz, on 17 April 1827 in Regensburg. Paul Wilhelm and Maria Sophia Dorothea had one son:He and Maria Sophia Dorothea divorced as early as 2 May 1835. After his marriage ended, Paul Wilhelm resided at Schloss Mergentheim in Mergentheim, where he kept his extensive ethnological collection acquired during his travels. In Bad Carlsruhe, Silesia, he built the palace, Palais "Paulusburg," but it was not completed until the year of his death.