Prince George Maximilianovich Romanowsky, 6th Duke of Leuchtenberg, also known as Prince Georgii Romanovsky or Georges de Beauharnais, was the youngest son of Maximilian de Beauharnais, 3rd Duke of Le
Leichtenberg Georg
George's second wife Princess Anastasia of Montenegro.
Prince Sergei Georgievich Romanowsky, 8th Duke of Leuchtenberg, was the son of Prince George Maximilianovich Romanowsky, 6th Duke of Leuchtenberg, and his second wife, Princess Anastasia of Montenegro
George Maximilianovich, 6th Duke of Leuchtenberg
…They had two children: Sergei Georgievich, 8th Duke of Leuchtenberg (1890–1974); died unmarried Princess Elena Georgievna of Leuchtenberg (1892–1971); married Count Stefan Tyszkiewicz…
Sergei Georgievich, c. 1917