Olga Constantinova (of Russia)

Olga Constantinova (of Russia) was born in 1851 in Russia.¹ She was the daughter of Grand Duke Konstantin (of Russia) and Elizabeth Alexandra (of Saxe).¹ Olga Constantinova (of Russia) married King Georgios (Christian Vilhelm) I (of Greece), son of King Christian IX (of Denmark) and Princess Luise Wilhelmine Friederike (of Hesse-Kassel-Rumpenheim), on 27 October 1867 in St. Petersburg, Russia.¹ Olga Constantinova (of Russia) died in 1926.¹ She was buried in November 1936 in Tatoi, Near Athens, Greece.¹
She became the mother of Constantine I Oldenburg on 2 August 1868.¹ Olga Constantinova (of Russia) became the mother of George Oldenburg in 1869.¹ Olga Constantinova (of Russia) became the mother of Alexandria (of Greece) in 1870.¹ Olga Constantinova (of Russia) became the mother of Nicholas (of Greece) in 1872.¹ Olga Constantinova (of Russia) became the mother of Mary Oldenburg in 1876.¹ Olga Constantinova (of Russia) became the mother of Andrew (of Greece) in 1882.¹ Olga Constantinova (of Russia) became the mother of Christopher Oldenburg in 1888.¹ Olga Constantinova's son Constantine I Oldenburg was married to Sophie (of Prussia) on 27 October 1889 in Athens, Greece.¹ Olga Constantinova (of Russia) became the mother of Olga Oldenburg about 1890.¹ Olga Constantinova's daughter Alexandria (of Greece) died in 1891.¹ Olga Constantinova's father Grand Duke Konstantin (of Russia) died on 13 January 1892 in Pavlovsk, St. Petersburg, Russia.¹ Olga Constantinova's mother Elizabeth Alexandra (of Saxe) died in 1911.¹ Olga Constantinova (of Russia) became a widow with the death of her husband, King Georgios (Christian Vilhelm) I (of Greece) on 5 March 1913 in Salonika, Thessalonike, Greece, at age 67.¹ Olga Constantinova's son Constantine I Oldenburg died on 11 January 1923 in Palermo, Italy.¹