Question: Who is Archduchess Marie Astrid Of Austria's father-in-law?
Sentence (from "Archduchess Marie Astrid of Austria"): Archduchess Marie Astrid of Austria (née "Princess Marie Astrid of Luxembourg"; born 17 February 1954 at Castle Betzdorf) is the elder daughter and eldest child of Grand Duke Jean of Luxembourg and Joséphine-Charlotte of Belgium, and the wife of Archduke Carl Christian of Austria.
Relevant evidence: Yes