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
Tsarevna Catherine Ivanovna of Russia Tsarevna Catherine Ivanovna of Russia Tsarevna Catherine Ivanovna of Russia (20 October 1691 – 14 June 1733) was a daughter of Tsar Ivan V and Praskovia Saltykova, eldest sister of Empress Anna of Russia and niece of Peter the Great. By her marriage, she was a Duchess of Mecklenburg-Schwerin. Catherine was born in Moscow and baptized at Chudov Monastery; her godparents were her uncle Tsar Peter I and her great-aunt Princess Tatiana (daughter of Tsar Michael I. She was the third of five daughters, but the early deaths of her older sisters Maria (on 23 February 1692, aged three) and