Claim: Tomasz Łubieński was a brigadier general, senator, landowner, businessman who commanded the four squadrons of the  Polish 1st Light Cavalry Regiment of the Imperial Guard.
Evidence: At the same time the Polish 1st Light Cavalry Regiment of the Imperial Guard formed in the camp at Mir. Its colonel was Wincenty Krasinski and its four squadrons were commanded by Łubieński, Jan Kozietulski, Ignace Stolowski and Henri Kamienski.