Grand Duke George Mikhailovich of Russia, (23 August 1863 – 28 January 1919) was a son of Grand Duke Michael Nicolaievich of Russia, grandson of Nicholas I, and a first cousin of Emperor Alexander III. He was a General in the Russian army in World War I. During the Russian Revolution, he was imprisoned by the Bolsheviks and shot by a firing squad, along with his brother, Grand Duke Nicholas Mikhailovich, and his cousins Grand Dukes Paul Alexandrovich and Dimitri Konstantinovich.
Grand Duke Alexei Mikhailovich (died on 2 March 1895) was the youngest son of Grand Duke Michael Nicolaievich of Russia. He was destined to follow a career in the Navy, but died of tuberculosis, aged 19. He received a Spartan upbringing that included sleeping in army cots and taking cold baths. A brilliant boy of liberal heart and absolute sincerity, according to his brother Alexander, Alexei was intelligent and lively. At the age of 18, he was a tall, thin, good looking young man.
Nicholas Mikhailovich (First Son of Grand Duke Michael Nicholaievich) 1859-1919. An eminent historian, born at Tsarskoe Selo 26 April 1859; died (being shot in the Fortress of St. Peter and St. Paul) at St. Petersburg during the Russian Revolution 28 January 1919. Grand Duke Nicholas Mikhailovich was unmarried.