Baron Fyodor Vasilyevich Drizen was a Russian

Russians

The Russian people are an East Slavic ethnic group native to Russia, speaking the Russian language and primarily living in Russia and neighboring countries....

 commanding officer

Commanding officer

The commanding officer is the officer in command of a military unit. Typically, the commanding officer has ultimate authority over the unit, and is usually given wide latitude to run the unit as he sees fit, within the bounds of military law...

. Drizen was born to a family of Russian nobles, of German descent, initially named Osten-Drizen. The Osten-Drizen family was known, in noble circles, as fon-der-Osten-Drizen, having originally been von der Osten-Driesen. During the Patriotic War of 1812, he served in the Third Infantry Corps, under LG Nikolay Tuchkov I, in the First Brigade of the Third Division. Serving directly under MG Alexander Tuchkov IV, he became an officer and achieved the rank of Colonel, also serving as a regimental chief. At The Battle of Borodino

Battle of Borodino

The Battle of Borodino , fought on September 7, 1812, was the largest and bloodiest single-day action of the French invasion of Russia and all Napoleonic Wars, involving more than 250,000 troops and resulting in at least 70,000 casualties...

, Drizen was wounded and replaced by Major Andrey von Fitinhoff, who would later be replaced by Lieutenant Grigory Shkarin II. Drizen fought at The Battle of Borodino alongside his relation, Colonel Baron Yegor Drizen I, who was also replaced for medical reasons. Through his life, Drizen was also known by the Germanized name, Friedrich Wilhelm.

Sources

• http://www.napoleon-series.org/military/c_battles.html
• http://archiver.rootsweb.ancestry.com/th/read/RUSSIA/2000-02/0949937754