In which capacity did this person, who established the Bogd Khan puppet government, serve in the Russian Civil War?
Roman von Ungern-Sternberg Baron Roman Nicolaus Maximilian von Ungern-Sternberg (Russian: Барон Ро́берт-Ни́колай-Максими́лиан Рома́н Фёдорович фон У́нгерн-Ште́рнберг ) (10 January 1886 NS – 15 September 1921) was an anti-Bolshevik lieutenant general in the Russian Civil War and then an independent warlord whose Asiatic Cavalry Division wrested control of Mongolia from the Republic of China in 1921 after its occupation. He was often referred to as Baron Ungern, or simply Ungern.
Chancellor (Russia) Chancellor of the Russian Empire was the civil position (class) in the Russian Empire, according to the Table of Ranks introduced by Peter the Great in 1722. That was a civil rank of the 1st class and equal to those of Active Privy Councillor, 1st class, General Field Marshal in the Army, and General Admiral in the Navy. The rank holder should be addressed as "Your High Excellency" (Russian: Ваше Высокопревосходительство , Vashe Vysokoprevoskhoditelstvo).