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.
Petr Ivanovich Panin General Count Petr Ivanovich Panin (Russian: Пётр Ива́нович Па́нин ) (1721 – April 15, 1789), younger brother of Nikita Ivanovich Panin, fought with distinction in the Seven Years' War and in the Russo-Turkish War of 1768–1774, capturing Bender on September 26, 1770. In 1773–1775, he participated in suppressing Pugachev's rebellion. He died in Moscow, as the senior General of the Russian Army. He is the father of Nikita Petrovich Panin.