.. would inherit the crown of Russia. They had 7 children:
- Alexandra Maximilianova – died as a child
- Maria Maximilianova – married Wilhelm of Baden
- Nicholas Maximilianovich – became Duke of Leuchtenberg after his father
- Eugenia Maximilianovich – married Duke Alexander Petrovich of Oldenburg – this line carries the lineage to today
- Eugen Maximilianovich – was married twice & was also the Duke of Leuchtenberg
- Sergei Maximilianovich – killed in the Russian-Turk War
- Georgi Maximilianovich – also Duke of Leuchtenberg, married Therese Petrovka of Oldenberg and a 2nd marriage to Anastasia of Montenegro – this line also carries lineage to today
(Portrait – Maria with her two eldest children in 1845)(Max was the youngest child of Eugene adopted son of Napoleon I and Augusta Amalia eldest daughter of the king of Bavaria)