Question: What is the date of death of Alexandra, Princess Of Leiningen's mother?
Sentence (from "Princess Ortrud of Schleswig-Holstein-Sonderburg-Glücksburg"): "Ortrud Bertha Adelheid Hedwig"), (19 December 1925 – 6 February 1980) was a Princess and a member of the House of Schleswig-Holstein-Sonderburg-Glücksburg by birth, and through her marriage to Prince Ernest Augustus of Hanover (1914–1987), a member of the House of Hanover.
Relevant evidence: Yes