Princess Irina Alexandrovna of Russia
Princess Irina Alexandrovna of Russia (15 July
(O.S. 3 July) 1895 – 26 February 1970) was the only daughter and eldest child of Grand Duke Alexander Mikhailovich of Russia and Grand Duchess Xenia Alexandrovna of Russia.
She was also the only niece of Tsar Nicholas II of Russia, and the wife of the wealthiest man in Imperial Russia, Prince Felix Felixovich Yusupov, one of the men who murdered Grigori Rasputin, "holy healer" to her cousin, the hemophiliac Tsarevich Alexei Nikolaevich of Russia, in 1916.
Irina Paley
Princess Irina Pavlovna Paley( 21 December 1903 – 15 November 1990) was the daughter of Grand Duke Paul Alexandrovich of Russia and his second wife, Olga Valerianovna Karnovich.
Prince Nikita Alexandrovich of Russia
Prince Nikita Alexandrovich of Russia( 13 January 1900 – 12 September 1974) was the third son and fourth 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.
Born in Imperial Russia during the reign of his uncle, Prince Nikita escaped the fate of many of his relatives who were killed by the Bolsheviks.
He left Russia in April 1919, at age nineteen.
In 1922 he married Countess Maria Vorontsova- Dashkova.
The couple had two children.
Henry Krause
Henry J." Red" Krause, Jr.( August 28, 1913 – February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.
He played college football at St. Louis University.
He is the grandfather of Jennifer Krause
He is the great grandfather of Payton Hoeing
Irina Yusupova
Princess Irina Felixovna Yusupova, nicknamed" Bébé",( 21 March 1915 – 30 August 1983) was born in Petrograd, Russian Empire, the only child of Prince Felix Yusupov and Princess Irina of Russia.
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.
Abdul-Vahed Niyazov
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Grand Duchess Alexandra Alexandrovna of Russia
Grand Duchess Alexandra Alexandrovna of Russia( 30 August 1842 – 10 July 1849) was the eldest child and first daughter of Tsar Alexander II of Russia and his first wife Marie of Hesse and by Rhine.
She died from infant meningitis at the age of six and a half.
Grand Duchess Xenia Alexandrovna of Russia
Grand Duchess Xenia Alexandrovna of Russia (– 20 April 1960) was the elder daughter and fourth child of Tsar Alexander III of Russia and Empress Maria Feodorovna of Russia
(née Princess Dagmar of Denmark) and the sister of Emperor Nicholas II.
She married a cousin, Grand Duke Alexander Mikhailovich of Russia, with whom she had seven children.
She was the mother-in-law of Felix Yusupov and a cousin of Grand Duke Dmitri Pavlovich of Russia who, together, killed Grigori Rasputin, holy healer to her nephew, the haemophiliac Tsarevich Alexei Nikolaevich of Russia.
During her brother's reign she recorded in her diary and letters increasing concern about his rule.
After the fall of the monarchy in February 1917, she fled Russia, eventually settling in the United Kingdom.
Her grandson Prince Andrew Andreevich has been a head of the Romanov Family since December 2016.
Prince Feodor Alexandrovich of Russia
Prince Feodor Alexandrovich of Russia (23 December 1898 – 30 November 1968) was the second son and third child of Grand Duke Alexander Mikhailovich of Russia and Grand Duchess Xenia Alexandrovna of Russia.
He was also a nephew of Nicholas II of Russia, the last Tsar.
Born and raised in Imperial Russia during the reign of his uncle Nicholas II, he followed a military career and entered the Corps of Pages during World War I. With the fall of the Russian monarchy, he escaped the fate of many of his relatives killed by the Bolsheviks fleeing to his parents estate in Crimea.
For a time, he was under house arrest there with a large group of family members.
They left Russia on 11 April 1919.
In exile, he settled in France where he married Princess Irina Pavlovna Paley, his distant cousin.
The couple divorced in 1936.
Afflicted with tuberculosis, Prince Feodor moved to England with his mother spending the years of World War II there.
After the war ended, he settled permanently in the south of France.

Question: Who is the maternal grandfather of Princess Irina Alexandrovna Of Russia?
Answer: Alexander III of Russia