Princess Alice of Battenberg

Princess Alice of Battenberg (Victoria Alice Elizabeth Julia Marie; 25 February 1885 – 5 December 1969) was the mother of Prince Philip, Duke of Edinburgh, husband of Queen Elizabeth II.
She was a great-granddaughter of Queen Victoria. She was born in Windsor Castle. She grew up in Great Britain, Germany and Malta.
In 1930, she was diagnosed with schizophrenia and committed to a sanatorium in Switzerland. After that, she lived separately from her husband Prince Andrew of Greece and Denmark.
After the fall of King Constantine II of Greece and the imposition of military rule in Greece in 1967, she was invited by her son and daughter-in-law to live at Buckingham Palace in London. She died there two years later.