He married Olga Constantinova Romanov 27 Oct 1867. Olga was born 3 Sep 1851. Olga was the daughter of
Constantine Nikolaievitch Romanov and Elizabeth Alexandra Saxe-Altenburg. Olga died 18 Jun 1926 at 74 years of age.
33
i.
Constantine I4 Oldenburg was born in Athens, Greece 2 Aug 1868.
Constantine died 11 Jan 1923 at 54 years of age. He married Sophie Dorothea Ulrica Hohenzollern 27 Oct
1889.
34
ii.
George Oldenburg was born 24 Jun 1869. George died 25 Nov 1957 at 88 years of age. He
married Marie Bonaparte 12 Dec 1907.
35
iii.
Alexandra Oldenburg was born 18 Aug 1870. Alexandra died 12 Sep 1891 at 21 years of age. She married Paul Alexandrovich Romanov 5 Jun 1889.
36
iv.
Nicholas Oldenburg was born 22 Jan 1872. Nicholas died 8 Feb 1938 at 66 years of age. He
married Helen Vladimirovna Romanov 29 Aug 1902.
37
v.
Marie Oldenburg was born 20 Feb 1876. Marie died 14 Dec 1940 at 64 years of age. She married twice. She married George Michailovitch Romanov 30 Apr 1900. She married Pericles Joannides
3 Dec 1922.
38
vi.
Olga Oldenburg was born 7 Apr 1881. Olga died 2 Nov 1881 at less than one year of age.
39
viii.
Christopher Oldenburg was born 11 Aug 1888. He married twice. He married Anastasia Stewart 1
Feb 1920. He married Francoise De Guise 11 Feb 1929.