Count Illarion Ivanovich Vorontsov-Dashkov (Илларион Иванович Воронцов-Дашков; 27 May 1837 – 15 January 1916) was a Russian general and official. He served as served as Minister of Imperial Properties between 1881 and 1897 and as Governor-General of the Caucasus Viceroyalty between 1905 and 1915.
He is wearing quite the eccentric combination of privately-comissioned breast stars. Among other order of the Elephant breast star https://asiamedals.info/forums/order-of-the-elephant-elefantordenen.756/.