Question: What is the date of birth of Frederick Louis, Hereditary Grand Duke Of Mecklenburg-Schwerin's mother?
Sentence (from "Frederick Louis, Hereditary Grand Duke of Mecklenburg-Schwerin"): Frederick Louis of Mecklenburg-Schwerin (13 June 1778 – 29 November 1819) was a hereditary prince of the Grand Duchy of Mecklenburg-Schwerin, one of the constituent states of the German Confederation.
Relevant evidence: No