The Sievers family is a noble Baltic German family that owned a number of estates in the present-day Baltic States, including the Wenden Castle. It hails from the Duchy of Holstein.
Peter von Sievers (1674-1740) chaired the Russian Admiralty Board in 1728-32.Karl von Sievers (1710–74) owed his rise to a brief liaison with Tsarina Elisabeth. He was made a Count of the Holy Roman Empire in 1760.His daughter Elisabeth (1746-1818) captivated Giacomo Casanova but married her cousin Jacob Sievers who administered the north-west of modern-day Russia and built the Sievers Canal connecting the Msta and Volkhov rivers. Her second husband was Prince Nikolai Putyatin. She also had a natural daughter who married historian Nikolai Karamzin.Jacob's nephews Karl, Johann and Jacob were all generals prominent in the Russian service during the Napoleonic Wars.Thadeus von Sievers (1853-1915) was one of the Russian commanders during World War I.
