Question: Who is Margravine Magdalene Sibylle Of Brandenburg-Bayreuth's paternal grandfather?
Sentence (from "Magdalena Sibylla of Saxe-Weissenfels (1673–1726)"): ( 3 September 1673 – 28 November 1726), was a German noblewoman member of the House of Wettin( Albertine line) and by marriage Duchess of Saxe- Eisenach.
Relevant evidence: No