Question: What is the date of death of Princess Tatiana Constantinovna Of Russia's mother?
Sentence (from "Princess Elisabeth of Saxe-Altenburg (1865–1927)"): Elizabeth Mavrikievna ("née" Princess Elisabeth Auguste Marie Agnes of Saxe-Altenburg; 25 January 1865 – 24 March 1927) was a Russian Grand Duchess by marriage.
Relevant evidence: Yes