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
Catherine the Great could see the benefits of Britain's friendship, she was wary of Britain's increased power following its victory in the Seven Years' War, which threatened the European balance of power. Peter the Great had succeeded in gaining a toehold in the south, on the edge of the Black Sea, in the Azov campaigns. Catherine completed the conquest of the south, making Russia the dominant power in south-eastern Europe after the Russo-Turkish War of 1768–74. Russia inflicted some of the heaviest defeats ever suffered by the Ottoman Empire, including the Battle of Chesma (5–7 July 1770) and the Battle of Kagul (21