"Princess Marie Luise Alexandra Karoline of Hohenzollern-Sigmaringen (17 November 1845 – 26 November 1912), later Countess of Flanders, was a princess of Hohenzollern-Sigmaringen, later simply of Hohenzollern. She married Prince Philippe, Count of Flanders, second son of King Leopold I of Belgium, and she was the mother of King Albert I." - (en.wikipedia.org 06.11.2023)