Question: What is the date of death of Augusta Of Schleswig-Holstein-Sonderburg-Glücksburg's father?
Sentence (from "Princess Ortrud of Schleswig-Holstein-Sonderburg-Glücksburg"): Princess Ortrud of Schleswig- Holstein- Sonderburg- Glücksburg(" Ortrud Prinzessin zu Schleswig- Holstein- Sonderburg- Glücksburg"; Full given names:" 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: No