Erdmann August of Brandenburg-Bayreuth Hereditary Margrave of Brandenburg-Bayreuth (1615–1651) Parents Marie of Prussia, Margravine of Brandenburg-Bayreuth Christian, Margrave of Brandenburg-Bayreuth Children Christian Ernst, Margrave of Brandenburg-Bayreuth Siblings Georg Albrecht, Margrave of Brandenburg-Bayreuth-Kulmbach Magdalene Sibylle of Brandenburg-Bayreuth Anna Maria von Eggenberg, née Brandenburg-Bayreuth Partners Sophie of Brandenburg-Ansbach
