Prince Oleg Konstantinovich of Russia

Parents

• Princess Elisabeth of Saxe-Altenburg
• Grand Duke Konstantin Konstantinovich of Russia

Children

Siblings

• Prince Constantine Constantinovich of Russia
• Princess Vera Constantinovna of Russia
• Prince Gabriel Constantinovich of Russia
• Prince Georgy Konstantinovich of Russia
• Princess Tatiana Constantinovna of Russia
• Prince Igor Constantinovich of Russia
• Prince John Constantinovich of Russia
• Natalya Konstantinovna Romanova, Princess of Russia