Question: What is the date of birth of Frederick I, Duke Of Württemberg's mother?
Sentence (from "Frederick I, Duke of Württemberg"): Friedrich I of Württemberg (19 August 1557, in Montbéliard – 29 January 1608, in Stuttgart) was the son of George of Mömpelgard and his wife Barbara of Hesse, daughter of Philip I, Landgrave of Hesse.
Relevant evidence: Yes