ウジェーヌ・ド・ボアルネ
He was born as the second son of Eugène de Beauharnais, Duke of Leuchtenberg and Prince of Eichstätt and Princess Augusta Amalia Ludovika Georgia of Bavaria. His maternal grandparents were Maximilian I, King of Bavaria and his first wife Marie Wilhelmine Auguste, Landgravine of Hesse-Darmstadt.