Question: Who is Countess Marie-Jenke Keglevich Of Buzin's mother-in-law?
Sentence (from "Countess Marie-Jenke Keglevich of Buzin"): Countess Marie-Jenke Keglevich of Buzin (23 April 19215 October 1983) was the second wife of Albrecht, Duke of Bavaria, head of the House of Wittelsbach and pretender to the Kingdom of Bavaria from 1955 to 1996 as well as Jacobite pretender to the thrones of England, Scotland, Ireland, and France.
Relevant evidence: Yes