You got a link for your info, and you forgot the viking influence too
Simon de Montefiores books on Russia.
Russian history from the 12th century onwards.
“Moscovite Russia and her successors in the shape of the Russian Empire and the Soviet Union have been descendants of Chengiz Khan’s Mongol Empire”
- Prince Nikolai Trubetzkoy
The Great Duchy of Muscovy was established via a blessing of a Khan of Mongol Empire to his vassal, Daniel I of Moscow:
Daniel of Moscow - Daniel I of Moscow was a son of Alexander Nevsky who, while being a revered figure in Muscovy and its descendants, was doing Mongol’s bidding, and excelled at it, to the point of his progeny being chosen to run the area, following destruction of Kievan Rus’ at the hands of Mongols.
Yadegar Mokhammad (Tatar: Yädegär Möxämmäd, Yädkär, Yädegär, [jædeˈɡær mœxæmˈmæt]) (died 1565) was the last khan of the Kazan Khanate, occupying the position from March–October 1552. He was the son of Astrakhan khan Qasim II. Between 1542 and 1550 he was in the service of the Tsardom of Russia. In 1550, he participated in the attack on Kazan and then joined the Nogais.
He was captured in October 1552 when Russian troops took Kazan. In 1553 he converted to Christianity, assumed the name of Simeon Kasayevich and lived in Moscow as a Russian nobleman.