Question: When did Eleonore Of Liechtenstein's husband die?
Sentence (from "Eleonore of Liechtenstein"): Maria Eleonore of Liechtenstein née Oettingen-Oettingen and Oettingen-Spielberg (Oettingen, 7 July 1745 – Vienna, 26 November 1812) was a princess of Liechtenstein by marriage to Prince Karl Borromäus of Liechtenstein, and a politically influential Austrian salonist.
Relevant evidence: Yes