Question: When is Bernhard, Hereditary Prince Of Baden's mother's birthday?
Sentence (from "Valerie, Margravine of Baden"): Archduchess Valerie of Austria (born 23 May 1941 in Vienna, Ostmark, Germany) is a member of the Tuscan line of the House of Habsburg and an Archduchess of Austria and a Princess of Tuscany by birth.
Relevant evidence: Yes