prince Dmitriy Sviatopolk-Mirsky

Князь Дмитрий (Дмитрий Харитон Рюрик Мирон) Иванович Святополк-Мирский — русский генерал, участник Кавказских походов, Крымской войны и русско-турецкой войны 1877—1878 гг. Wikipedia RU

Prince Dmitry (Dmitry Khariton Rurik Miron) Ivanovich Svyatopolk-Mirsky - Russian general, participant in the Caucasus campaigns, the Crimean War and the Russian-Turkish war of 1877-1878. He began his military service in 1841 in the Caucasian War, fighting against Chechens and Daghestanis. During the Crimean War, he took part in the battles in Kurukdere and Bayandur in Armenia. He commanded the Chernigov Infantry Regiment during the Battle of Chernaya River, where he was seriously wounded. During the Crimean War, he became acquainted with the then junior officer Leo Tolstoy (граф Лев Николаевич Толстой), with whom he had lifelong correspondence.

In 1857-1859, Svyatopolk-Mirsky commanded the Kabarda Regiment, took part in the storm of Gunib, and the capture of Imam Shamil. After the pacification of the Eastern Caucasus, he became the governor of the Terek Oblast, then the Governor-General of Kutaisi. In 1876, he became the deputy of the Viceroy of the Caucasus Grand Duke Mikhail Nikolayevich.

https://en.wikipedia.org/wiki/Dmitry_Ivanovich_Sviatopolk-Mirsky