♂ Constantine Nikolaievitch of_Russia

• Nicholas_I Romanov (1796)
• Charlotte of_Prussia (1798)

Marriage 1848-01-01

• Nicholas Romanov (1850)
• Olga Constantinovna (1851)
• Constantine Romanov (1858)
• Dimitri Romanov (1860)

• Alexander_II Nicholoevich Romanov (1818)
• Nicholas Romanov (1831)
• Michael Romanov (1832)