Count (subsequently Prince) Viktor Pavlovich Kochubey (Russian: Ви́ктор Па́влович Кочубе́й) was a Russian statesman and a close aide of Alexander I of Russia. Of Ukrainian birth, he was a great-grandson of Vasily Kochubey. Francois Gerard, The Hermitage.
https://flic.kr/p/qJUX1X | Gerard Francois - Portrait of Prince Viktor Kochubey 1809
HOLBEIN, Hans the Younger -1536-1543- Thomas Howard, Prince of Norfolk | da Faces of Ancient Europe