In the Napoleonic wars right|thumb|Count Alexander Ivanovich Ostermann-Tolstoy (1770–1857) Two members of the family were active during the Napoleonic wars. Count Pyotr Aleksandrovich Tolstoy (1761–1844) served under Suvorov in wars against Poland and the Ottoman Empire, was made a general-adjutant in 1797, went as an ambassador to Paris in 1807 and tried to persuade Alexander I to prepare for the war against France, without much success though. He served as the governor of St Petersburg and Kronstadt from 1828 until his death.
in the napoleonic wars right|thumb|count alexander ivanovich ostermann-tolstoy (1770–1857) two members of the family were active during the napoleonic wars count pyotr aleksandrovich tolstoy (1761–1844) served under suvorov in wars against poland and the ottoman empire was made a general-adjutant in 1797 went as an ambassador to paris in 1807 and tried to persuade alexander i to prepare for the war against france without much success though he served as the governor of st petersburg and kronstadt from 1828 until his death