Christian Friedrich Carl Alexander von Brandenburg-Ansbach (* 24. Februar 1736 in Ansbach; † 5. Januar 1806 in Schloss Benham bei Speen in England) aus dem Haus der Hohenzollern war der letzte Markgraf der beiden fränkischen Markgraftümer Brandenburg-Ansbach (seit 1757) und Brandenburg-Bayreuth (seit 1769).
His mother was Christiane Eberhardine of Brandenburg-Bayreuth, daughter of Christian Ernst, Margrave of Brandenburg-Bayreuth. Unlike his father, Christiane remained a fervent Protestant throughout her life and never set foot in Catholic Poland during her 30-year service as queen consort.
Archduchess Margarethe Klementine Maria of Austria (in German: Margarethe Klementine Maria, Erzherzogin von Österreich; in Hungarian: Habsburg–Toscanai Margit Klementina Mária főhercegnő; 6 July 1870, Alcsút, Austria-Hungary– 2 May 1955, Regensburg) was a member of the Hungarian line of the House of Habsburg and an Archduchess of Austria by birth.