Anna of Russia
Dondukov is a Russian princely family descending from Donduk-Ombo, the sixth khan of the Kalmucks (reigned 1737–41). In 1732 he led 11,000 Kalmuck households from the Volga banks to the border of the Ottoman Empire at the Kuban River, asking the sultan for protection. The new settlement, however, was ill-suited for grazing animals, so he petitioned Anna of Russia to return to the Volga as soon as the Russo-Turkish War, 1735-1739 erupted.