Aleksey Greig
He was in full command of the Russian fleet , which he had brought from Sevastopol: forty vessels , eight being of the line , acting in conjunction with the troops under Prince Menshikov for three months by sea and land . 
<triplet> Russo-Turkish War <subj> Sieges of Varna <obj> has part <triplet> Sieges of Varna <subj> Russo-Turkish War <obj> part of