Question: When did Princess Maria Teresa Of Bourbon-Two Sicilies (1867–1909)'s mother die?
Sentence (from "Duchess Elisabeth of Württemberg (b. 1933)"): Duchess Elisabeth of Württemberg( born 2 February 1933) is a member of the House of Württemberg and a Duchess of Württemberg by birth and through her marriage to Prince Antoine of Bourbon- Two Sicilies, a member of the House of Bourbon- Two Sicilies and a Princess of Bourbon- Two Sicilies.
Relevant evidence: No