was captured. He was delivered to Saint Petersburg and was one of the five Decembrists sentenced to quartering, but later this sentence was replaced with hanging. He was executed in Peter and Paul Fortress on . He was interred with the other four in a secret grave on Goloday Island, though some conspiracy theorists believed that the men were not hanged but put on the island to starve. In the Soviet era, the island was renamed "Decembrists' Island" in memory of the executed men. See also Mikhail Bestuzhev-Ryumin Pyotr Kakhovsky Pavel Pestel Kondraty Ryleyev References External links Biography of Sergey Muravyov-Apostol - in Russian 1796 births 1826 deaths Military personnel from Saint Petersburg People from Sankt-Peterburgsky Uyezd Decembrists Russian Freemasons Russian military personnel of the Napoleonic Wars Prisoners of the Peter and Paul Fortress People executed by the Russian Empire by hanging Executed Russian people 19th-century executions by the Russian Empire