Konstantin Gustavovich Igelström Russian Decembrist from the noble Swedish family of Igelström.
Konstantin Igelstrom was born in the city of Shumsk on 8 May 1799.
He graduated from the Cadets Corps in 1816 and was made captain in 1825.
The military court sentenced Igelstrom to death, but the highest decree of Nicholas I of Russia of 15 April 1827 deprived him of all nobility titles and condemned to penal servitude during 10 years in Siberia. After serving the sentence, he was prohibited from visiting Moscow or Saint St. Petersburg and settled in the city of Taganrog in 1843, where he worked as the assistant to the supervisor of the Taganrog"s Customs" bonded warehouse. He died on 11 November 1851 and was buried at the Taganrog Old Cemetery.