Ratsha's descendant Ivan Yuryevich (Volkov) syn Kurytsyn<ref>https://www.geni.com/people/%D0%98%D0%B2%D0%B0%D0%BD-%D0%90%D0%BC%D0%B8%D0%BD%D1%8C-%D0%9A%D1%83%D1%80%D0%B8%D1%86%D1%8B%D0%BD-%D0%92%D0%BE%D0%BB%D0%BA%D0%BE%D0%B2-%D1%81%D1%8B%D0%BD/6000000077061620665</ref> nicknamed "Amin"', the son of Yuri Ggirogyevich Kamensky nicknamed 'Volk' (i.e. wolf)<ref>https://www.geni.com/people/%D0%AE%D1%80%D0%B8%D0%B9-%D0%92%D0%BE%D0%BB%D0%BA-%D0%9A%D0%B0%D0%BC%D0%B5%D0%BD%D1%81%D0%BA%D0%BE%D0%B9-%D0%9A%D1%83%D1%80%D0%B8%D1%86%D1%8B%D0%BD-%D1%81%D1%8B%D0%BD/6000000077108233975</ref> is the actual progenitor of the family. Nikita Ivanovich Aminov took part in the siege of Kazan in 1552, where he was killed in action. The Russian branch died out in the 18th century. The great-grandson of Nikita Aminov, Fyodor Grigoryevich Aminov (circa 1560-March 28, 1628<ref>Von Aminoff//geni.com</ref>), was the voivode at Ivangorod. In 1611, he surrendered the town to the Swedes and switched to their side. He moved to the Swedish territory with his immediate family<ref name=":02">Аминовы // Энциклопедический словарь Брокгауза и Ефрона : в 86 т. (82 т. и 4 доп.).