Duchy of Anhalt
Alexius Frederick Christian of Anhalt-Bernburg (12 June 1767 – 24 March 1834), was a German prince of the House of Ascania. From 1796 until 1807 he was Reigning prince of the principality of Anhalt-Bernburg, and from 1807 until 1834 the first Duke of the Duchy of Anhalt-Bernburg.