Question: What is the date of death of Princess Louise Sophie Of Schleswig-Holstein-Sonderburg-Augustenburg's mother?
Sentence (from "Princess Louise Sophie of Schleswig-Holstein-Sonderburg-Augustenburg"): (German: Feodora Luise Sophie Adelheid Henriette Amalie; 8 April 1866 - 28 April 1952) was a daughter of Frederick VIII, Duke of Schleswig-Holstein and Princess Adelheid of Hohenlohe-Langenburg.
Relevant evidence: Yes