Alexander Romanovich Drenteln was a Russian general.
He held the rank of General of the Infantry, and held the positions of:
Adjutant General of the H. I. M. Retinue,
Chief of Gendarmes,
the last Executive Head of the Third Section of His Imperial... Wikipedia
Born: March 7, 1820, Kyiv, Ukraine
Died: July 27, 1888 (age 68 years), Kyiv, Ukraine
Children: Alexander Alexandrowitsch Drenteln
Great-grandparent: Franz Heinrich von Drenteln
Education: Pervyy Kadetskiy Korpus
Parents: Reinhold Johann Drenteln