Mezue ahịrịokwu na-esonụ: Nwa Pyotr Aleksandrovich Tolstoy, Yegor Tolstoy mụrụ na 9 Julaị 1802 (Old Style) na ezinụlọ Tolstoy. Ọ gụrụ akwụkwọ n'ụlọ ma na 1819 debanyere aha ije ozi na Uglitsk regiment. N'afọ 1821, a kpọfere ya na ndị agha nke ndị nche Leib. Tolstoy bụ aide-de-camp nye onye isi ndị agha Alexander von Neidgart, ma nọrọ na Laibach (Ljubljana) n'oge agha ahụ.
Congress, ebe a họpụtara ya ka ọ bụrụ onye isi ndị isi ndị Russia nke ndị agha megide Piedmont. N'afọ 1826, Count Tolstoy sonyere na agha Russo-Persian, 1826-1828, na-eje ozi dị ka aide de camp na Mayor-General Prince Aleksandr Sergeyevich Menshikov. N'April 21, 1827, a họpụtara Tolstoy ịbụ onye enyemaka nke Eze Ukwu Nicholas nke Mbụ nke Russia. N'oge mkpọsa nke agha Russia na Turkey, 1828-1829, e nyere ya onyinye nke St. George nke ogo nke 4 na ọkwa nke onye isi maka ihe omume na nnọchibido nke Anapa. Enyere ya mma agha ọla edo maka iweghachi nkwukọrịta n'etiti ndị agha na ndị agha nke General Loggin Rot na July nke afọ ahụ; ma merụọ ya ahụ n'isi n'oge nnọchibido nke Varna.