Princess Marina Petrovna of Russia Princess Marina Petrovna of Russia Princess Marina Petrovna of Russia (11 March 1892 – 15 May 1981) was a daughter of Grand Duke Peter Nikolaevich of Russia and his wife, Grand Duchess Militza Nicholaevna, born Princess of Montenegro. A great-granddaughter of Tsar Nicholas I of Russia, she was born in Nice and grew up in the last period of Imperial Russia, mostly in Znamenka, her father's summer palace near Peterhof. Princess Marina was a gifted artist, showing talent for drawing and painting. She studied painting first with a teacher from the senior school in Yalta and then in St Petersburg
Peter III of Russia Charles Frederick, Duke of Holstein-Gottorp (a nephew of Charles XII of Sweden), and Anna Petrovna (a daughter of Emperor Peter I and Empress Catherine I of Russia). His mother died shortly after his birth. In 1739, Peter's father died, and he became Duke of Holstein-Gottorp as Charles Peter Ulrich () at the age of 11. When Elizabeth, his mother's younger sister, became Empress of Russia, she brought Peter from Germany to Russia and proclaimed him her heir presumptive in the autumn of 1742. Previously in 1742, the 14-year-old Peter was proclaimed King of Finland during the Russo-Swedish War (1741–1743), when