♂ Constantine_I Oldenburg

• William George_I of_the_Hellenes Oldenburg (1845)
• Olga Constantinovna (1851)

Marriage 1889-10-27 in Athens,Greece

• Child_6 (1913)
• Child_5
• Paul_I Oldenburg (1901)
• Helen of_Greece (1896)
• Alexander_I Oldenburg (1893)
• George_II Oldenburg (1890)

• Andrew of_Greece (1882)
• Alexandra of_Greece (1870)
• Nicholas of_Greece (1872)
• Christopher Oldenburg (1888)
• George Oldenburg (1869)
• Olga
• Mary (1876)