2nd Division of Major-General A.I. Osterman-Tolstoi at the end of October 1806 included:
Infantry: Pavlovskyi, St.-Petersburgskyi grenadier regiments; Eletckyi and Rostovskyi Musketeer and 1st and 20th Jager regiments
Cavalry: His Majesty Own Life-Cuirassier, Kargoplskyi Dragoons, Izymskyi Hussars; Cossacks under Illovaisky, IX and Efremov, III.
Artillery and engineers: 2 battery, 2 light, 1 Horse and 1 pinieer companies

Note in the Military Jornal of the field Russian Army: "Count Osterman moved towards Naselsk where he arrived in 10 o'clock in the morning, not being followed by the enemy."

Source: Vladimir Shikanov, "First Polish Campaign, 1806-07" (Moscow, 2002); in Russian

Hope this help
Eman