We do not know when she was born but she was burned to death about the year 300 at Amisus, Paphlagonia (modern Samsun, Turkey)
Rasputin.
The name Alexandra originated from Greece and means "defender of mankind".
Alexandra of Samsun was martyred about the year 300. The precise date is unknown.
Alexandra = Αλεξάνδρᾱ
The last Russian Tsaritsa/Czarina was Alexandra Fyodorovna.
Alexandra Romanov
She was born Lutheren, but before marrying Czar Nicholas II became Russian Orthodox.
Rasputin
Rasputin
Alexei.
Alexandra Fyodorovna.
Tsarina Alexandra Feodorovna's nicknames were Sunny and Alicky
Czarina Saloma was born in 1970.
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.
She was of german decent and so many russians thought she was a spy