Abdul-Vahed Niyazov
' of Russia.
Princess Vera Constantinovna of Russia
Princess Vera Constantinovna of Russia, also Vera Konstantinovna( 24 April 1906 – 11 January 2001), was the youngest child of Grand Duke Konstantine Konstantinovich of Russia and his wife, Grand Duchess Elizabeth Mavrikievna.
A great- granddaughter of Tsar Nicholas
I of Russia, she was born in the Russian Empire and was a childhood playmate of the younger children of Emperor Nicholas II of Russia.
She lost much of her family during World War I and the Russian Revolution.
At age twelve, she escaped revolutionary Russia, fleeing with her mother and brother George to Sweden.
She spent the rest of her long life in exile, first in Western Europe and from the 1950s in the United States.
Prince Dmitri Alexandrovich of Russia
Prince Dmitri Alexandrovich of Russia( 15 August 1901 – 7 July 1980) was the fourth son and fifth child of Grand Duke Alexander Mikhailovich of Russia and Grand Duchess Xenia Alexandrovna of Russia.
He was a nephew of Tsar Nicholas II of Russia.
Prince Gabriel Constantinovich of Russia
Prince Gabriel Constantinovich of Russia( 15 July
1887 – 28 February 1955) was the second son of Grand Duke Konstantin Konstantinovich of Russia and his wife, Grand Duchess Elizabeth Mavrikievna of Russia.
A great- grandson of Tsar Nicholas I, he was born in Imperial Russia and served in the army during World War I.
He lost much of his family during the war and the Russian Revolution.
He narrowly escaped execution by the Bolsheviks and spent the rest of his life living in exile in France.
Grand Duchess Olga Pavlovna of Russia
Grand Duchess Olga Pavlovna of Russia  was a "Grand Duchess of Russia" as the second youngest daughter and seventh child of Emperor Paul I of Russia and his empress consort, Sophie Dorothea of Württemberg.
Barbara (Yakovleva)
Varvara Alexeyevna Yakovleva( c. 1880- July 18, 1918), called Nun Barbara, was a Russian Orthodox nun in the convent of Grand Duchess Elizabeth Fyodorovna.
She was killed by the Bolsheviks along with the grand duchess and Prince Ioann Konstantinovich of Russia, Prince Konstantin Konstantinovich of Russia, Prince Igor Konstantinovich of Russia, Grand Duke Sergei Mikhailovich of Russia, Fyodor Remez, Grand Duke Sergei's secretary, and Prince Vladimir Pavlovich Paley at Alapaevsk.
She was later canonized as a martyr by both the Russian Orthodox Church Outside Russia and the Russian Orthodox Church within Russia.
Grand Duchess Catherine Mikhailovna of Russia
Grand Duchess Catherine Mikhailovna of Russia( 28 August 1827 – 12 May 1894), was the third of five daughters of Grand Duke Michael Pavlovich of Russia( youngest son of Emperor Paul I and Princess Sophie Dorothea of Württemberg) and Princess Charlotte of Württemberg( eldest child of Prince Paul of Württemberg and Princess Charlotte of Saxe- Hildburghausen).
Grand Duchess Elizabeth Mikhailovna of Russia
Grand Duchess Elizabeth Mikhailovna of Russia
(Moscow, 26 May 1826 – Wiesbaden, 28 January 1845) was the second child and daughter of Grand Duke Mikhail Pavlovich of Russia and Princess Charlotte of Württemberg who took the name "Elena Pavlovna" upon her conversion to the Orthodox faith.
Through her father, Elizabeth was a granddaughter of Tsar Paul I of Russia, and a niece of both Russian emperors
Alexander I and Nicholas I.
Princess Charlotte of Württemberg
Princess Charlotte of Württemberg (9 January 1807 – 2 February 1873) was later known as Grand Duchess Elena Pavlovna, the wife of Grand Duke Michael Pavlovich of Russia.
He was the youngest son of Emperor Paul I of Russia and Duchess Sophie Dorothea of Württemberg.
Anatoly Ionov (Romanov claimant)
Anatoly Ionov( born 1936) is a Russian man who claims to be the son of Grand Duchess Anastasia Nikolaevna of Russia.

Question: When did Grand Duchess Elizabeth Mikhailovna Of Russia's mother die?
Answer: 2 February 1873