Question: When did Ferdinand Karl, Archduke Of Austria-Este's mother die?
Sentence (from "Maria Ludovika of Austria-Este"): Maria Ludovika of Austria- Este, also known as Maria Ludovika of Modena,( 14 December 1787 – 7 April 1816) was the daughter of Archduke Ferdinand of Austria- Este( 1754 – 1806) and his wife, Maria Beatrice Ricciarda d' Este( 1750 – 1829).
Relevant evidence: No