Question: When did Henry Frederick Of Württemberg-Winnental's mother die?
Sentence (from "Barbara Sophie of Brandenburg"): Barbara Sophia of Brandenburg (16 November 1584 – 13 February 1636) was duchess of Württemberg by marriage to Duke John Frederick of Württemberg and acted as regent of the Duchy of Württemberg for their minor son, Duke Eberhard III of Württemberg, in 1631-1633.
Relevant evidence: No