Question: What is the place of birth of Margravine Sophie Christine Of Brandenburg-Bayreuth's husband?
Sentence (from "Alexander Ferdinand, 3rd Prince of Thurn and Taxis"): Alexander Ferdinand served as Principal Commissioner  at the Perpetual Imperial Diet in Frankfurt am Main and Regensburg for Charles VII, Holy Roman Emperor, Francis I, Holy Roman Emperor, and Joseph II, Holy Roman Emperor from 1 February 1743 to 1745 and again from 1748 until 1773.
Relevant evidence: Yes