Brief Biography He was an admiral. Being Norwegian by birth he was taken to Russian service in 1698 as vice-admiral. In 1705, an attack of Swedish fleet to Krondschtadt was repulsed under his command. In 1706-1713 he commanded the Russian fleet, commanded the St.Petersburg's defence during Swedish blockade of the city. Because of his inability to organize and cessation of pursuit of enemy he had been taken to court and was sentenced to death, but Peter forgave him and exiled him to Kazan instead. In 1715 he has been relieved of exile and appointed to a service in Admiralty-Board and since 1718 he was its vice-president.