Question: What is the date of birth of Louis Frederick, Duke Of Württemberg-Montbéliard's mother?
Sentence (from "Louis Frederick, Duke of Württemberg-Montbéliard"): Louis Frederick of Württemberg was born at Montbéliard Castle as the fifth child and second son of Duke Frederick I of Württemberg, and princess Sibylla of Anhalt.
Relevant evidence: Yes