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 Praskovya Ivanovna of Russia Tsarevna Praskovya Ivanovna of Russia Praskovya Ivanovna (1694–1731) was a Russian tsarevna, daughter of Tsar Ivan V of Russia and Praskovia Saltykova. She was the niece of Tsar Peter the Great and the sister of Empress Anna Ivanovna. Praskovya's father died in 1696 and she was raised with her sisters, Catherine and Anna, at the estate awarded to her mother by Tsar Peter, Izmaylovo Estate in Moscow. She was tutored in literature and the sciences by German teachers. Praskovya was described by the Spanish ambassador in comparison to her sisters as lacking in intelligence, in addition to being very sickly.