Catherine Pavlovna of Russia families, the eldest of whom was barely eight years old. After her death, her surviving husband built Württemberg Mausoleum in Rotenberg, Stuttgart, dedicated to her memory. William later married again; his next wife was his first cousin, Princess Pauline of Württemberg. Ekaterina had two sons with Duke George of Oldenburg (9 May 1784 – 27 December 1812): With the King of Württemberg, she had the following children: Catherine Pavlovna of Russia Grand Duchess Catherine Pavlovna of Russia (; 21 May 1788 [OS 10 May 1788] – 9 January 1819) later Queen Catharina Pavlovna of Württemberg, was the fourth daughter of
Nicholas I of Russia born at Gatchina Palace in Gatchina to Grand Duke Paul, and Grand Duchess Maria Feodorovna of Russia. Five months after his birth, his grandmother, Catherine the Great, died and his parents became emperor and empress of Russia. He was a younger brother of Emperor Alexander I of Russia, who succeeded to the throne in 1801, and of Grand Duke Constantine Pavlovich of Russia. Riasanovsky says he was, "the most handsome man in Europe, but also a charmer who enjoyed feminine company and was often at his best with the ladies." On 13 July 1817, Nicholas married Princess Charlotte of Prussia