Question: What is the date of death of Alix, Princess Of Ligne's mother?
Sentence (from "Alix, Princess of Ligne"): Alix, Princess de Ligne (Alix Marie Anna Antoinette Charlotte Gabrielle; 24 August 1929 – 11 February 2019) was the fourth daughter and youngest child of Charlotte, Grand Duchess of Luxembourg, and Felix of Bourbon-Parma.
Relevant evidence: Yes