Question: What is the date of death of Princess Eugénie Of Greece And Denmark's mother?
Answer: 21 September 1962

Princess Marie Bonaparte (2 July 1882 – 21 September 1962), known as Princess George of Greece and Denmark upon her marriage, was a French author and psychoanalyst, closely linked with Sigmund Freud. Her wealth contributed to the popularity of psychoanalysis, and enabled Freud's escape from Nazi Germany. Marie Bonaparte was a great-grandniece of Emperor Napoleon I of France