Question: What is the date of death of George Maximilianovich, 6Th Duke Of Leuchtenberg's mother?
Sentence (from "George Maximilianovich, 6th Duke of Leuchtenberg"): Prince George Maximilianovich Romanowsky, 6th Duke of Leuchtenberg (29 February 1852 – 16 May 1912), also known as Prince Georgii Romanovsky or Georges de Beauharnais, was the youngest son of Maximilian de Beauharnais, 3rd Duke of Leuchtenberg and his wife, Grand Duchess Maria Nikolaevna of Russia.
Relevant evidence: Yes