Question: What is the date of death of Archduchess Elisabeth Franziska Of Austria (1892–1930)'s mother?
Sentence (from "Archduchess Marie Valerie of Austria"): Archduchess Marie Valerie of Austria (22 April 1868 – 6 September 1924) was the third daughter and fourth and last child of Franz Joseph I of Austria and Elisabeth of Bavaria.
Relevant evidence: Yes