Tsarina Alexandra Feodorovna of Russia (born Princess Victoria Alix Helena Beatrice Louise of Hesse and by Rhine) had four sisters:
Victoria (married Prince Louis of Battenberg, later Marquess of Mitford-Haven, grandmother of Prince Phillip, Duke of Edinburgh)
Elisabeth (mariied Grand Duke Sergei, became a nun, murdered in Russian Revolution, canonized as New Martyr Saint Elisabeth Feodorovna)
Irene (Married Prince Henry of Prussia, carrier of hemophillia)
Marie (Died of Diptheria aged four, 1878)
The last Russian Tsaritsa/Czarina was Alexandra Fyodorovna.
Alexandra Romanov
Alexandra Fyodorovna.
The Czarina at the time of the Russian Revalution was Alexadra. Alexandra was the granddaughter of Queen Victoria. Because of this relationship at the time of the Revolution she had cousins on the throne of Germany, Romania, Spain, England, Norway and Greece.
Rasputin began as a religious guide so to speak for the czarina Alexandra. He then was used as a healer for the yound Alexei. He was part of all the royal families lives. The czarina relied on him for everything eventually, much to the dislike of everyone else.
In Germany
The last Russian Tsaritsa/Czarina was Alexandra Fyodorovna.
Alexandra Romanov
She was of german decent and so many russians thought she was a spy
Rasputin
Rasputin
Alexei.
Alexandra Fyodorovna.
Tsarina Alexandra Feodorovna's nicknames were Sunny and Alicky
rasputin
Assuming that you are asking who the Czarina Alexandra's, who was not by right or title an actual Czarina but known as the Empress of all the Russias, grandmother was, it was Queen Victoria of the United Kingdom on her mother's side and Elizabeth of Prussia on her father's side.
rasputin