Question: When did Princess Frederica Caroline Of Saxe-Coburg-Saalfeld's mother die?
Sentence (from "Princess Frederica Caroline of Saxe-Coburg-Saalfeld"): Frederica Caroline's brother, Prince Josias of Saxe-Coburg-Saalfeld, owed his sister admission to the regiment as captain, this starting point of his brilliant career military.
Relevant evidence: No