Prince Sebastion Semeonovitch Sviatopolk-Mirsky

Parents

• Semyon Svyatopolk-Mirsky

Children

Siblings

• Princess Anastasia Olga Mikhaila Zhana Semeonovna Sviatopolk-Mirska
• Princess Irina Yadwiga Teresa Semeonovna Sviatopolk-Mirska
• Princess Maria Semeonovna Sviatopolk-Mirsky