Olga Konstantinovna Chekhova or Tchechowa ((14 April 1897, Aleksandropol (now Gyumri, Armenia) – 9 March 1980, Berlin) was a Russian actress who made a stunning career in the cinema of the Third Reich. Born Olga Knipper, she was the daughter of Konstantin Knipper, an imperial minister and the niece and namesake of Olga Knipper (Anton Chekhov's wife), both of whom were Lutherans of ethnic German descent. Wikipedia
The definitive Wikipedia entry for Olga Chekhova. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Olga_Chekhova