Friedrich III, Margrave of Brandenburg-Bayreuth Margrave of Brandenburg-Bayreuth (1711-1763) (1711–1763) Parents Princess Dorothea of Schleswig-Holstein-Sonderburg-Beck George Frederick Charles, Margrave of Brandenburg-Bayreuth Children Margravine Elisabeth Fredericka Sophie of Brandenburg-Bayreuth Siblings Margravine Sophie Christine of Brandenburg-Bayreuth Sophie Charlotte of Brandenburg-Bayreuth Wilhelm Ernst von Brandenburg-Bayreuth Sophie Wilhelmine of Brandenburg-Bayreuth Partners Sophie Caroline Marie of Brunswick-Wolfenbüttel Wilhelmine of Prussia, Margravine of Brandenburg-Bayreuth
