Standing, L-R: King Haakon VII of Norway, King Ferdinand I of Bulgaria, King Manuel II of Portugal, Emperor Wilhelm II of Germany (King of Prussia), King George I of Greece, King Albert I of Belgium.
Seated, L-R: King Alfonso XIII of Spain, King George V of the United Kingdom, King Frederik VIII of Denmark.
The Nine Kings in order of seniority:
| Country | Sovereign | Born | Reigned | Died | |||||
| Greece | King George I | 24 December | 1845 | 27 June | 1863 | 18 March | 1913 | 18 March | 1913 |
| Spain | King Alfonso XIII | 17 May | 1886 | 17 May | 1886 | 14 April | 1931 | 28 February | 1941 |
| Bulgaria | King Ferdinand I | 26 February | 1861 | 7 July | 1887 | 3 October | 1918 | 10 September | 1948 |
| Germany | Emperor Wilhelm II | 27 January | 1859 | 15 June | 1888 | 18 November | 1918 | 4 June | 1941 |
| Norway | King Haakon VII | 3 August | 1872 | 18 November | 1905 | 21 September | 1957 | 21 September | 1957 |
| Denmark | King Frederik VIII | 3 June | 1843 | 29 January | 1906 | 14 May | 1912 | 14 May | 1912 |
| Portugal | King Manuel II | 19 March | 1889 | 1 February | 1908 | 5 October | 1910 | 2 July | 1932 |
| Belgium | King Albert I | 8 April | 1875 | 23 December | 1909 | 17 February | 1934 | 17 February | 1934 |
| United Kingdom | King George V | 3 June | 1865 | 6 May | 1910 | 20 January | 1936 | 20 January | 1936 |
If the photo were to have been recreated exactly one hundred years later, in May 2010, with all heirs to the nine kings assembled and sitting or standing in the same places, the following individuals would have been required, in most cases no more than two generations removed:
Standing, L-R: King Harald V of Norway (grandson of Haakon VII), King Simeon II of Bulgaria (grandson of Ferdinand I), Dom Duarte Duke of Braganza (third cousin once removed of Manuel II), Prince Georg Friedrich of Prussia (great-great-grandson of Wilhelm II), King Constantine II of Greece (great-grandson of George I), King Albert II of Belgium (grandson of Albert I).
Seated, L-R: King Juan Carlos I of Spain (grandson of Alfonso XIII), Queen Elizabeth II of the United Kingdom (granddaughter of George V), Queen Margrethe II of Denmark (great-granddaughter of Frederik VIII).
The Nine Kings' Heirs a Century Later, in order of seniority:
| Country | Sovereign (or Claimant) | Born | Reign(ed) (or Inherited Claim) | Died | |||||
| Bulgaria | King Simeon II | 16 June | 1937 | 28 August | 1943 | 15 September | 1946 | ||
| United Kingdom | Queen Elizabeth II | 21 April | 1926 | 6 February | 1952 | 8 September | 2022 | 8 September | 2022 |
| Greece | King Constantine II | 6 June | 1940 | 6 March | 1964 | 1 June | 1973 | 10 January | 2023 |
| Denmark | Queen Margrethe II | 16 April | 1940 | 14 January | 1972 | 14 January | 2024 | ||
| Spain | King Juan Carlos I | 5 January | 1938 | 22 November | 1975 | 19 June | 2014 | ||
| Portugal | Dom Duarte, Duke of Braganza | 14 May | 1945 | 24 December | 1976 | ||||
| Norway | King Harald V | 21 February | 1937 | 17 January | 1991 | ||||
| Belgium | King Albert II | 6 June | 1934 | 9 August | 1993 | 21 July | 2013 | ||
| Germany | Prince Georg Friedrich of Prussia | 10 June | 1976 | 25 September | 1994 | ||||
The Men's Seating Plan for a Dinner hosted by HM King George V at Buckingham Palace on May 19, 1910, for world leaders gathered in London for the Funeral of the late King Edward VII.
First Column at Left, Top to Bottom: King Frederik VIII of Denmark, Archduke Franz Ferdinand of Austria, Prince Fushimi of Japan, Princess Victoria (1868-1935), King Manuel II of Portugal.
Second Column: Queen Mary (1867-1953), Queen Maud of Norway (1869-1938), Prince Arthur Duke of Connaught.
Centre Column: Queen Alexandra (1844-1925), Dowager Empress Maria Feodorovna of Russia (1847-1928).
Fourth Column: King George V, Princess Louise Duchess of Fife (1867-1931), Kaiser Wilhelm II.
Fifth Column at Right: King Haakon VII of Norway, King George I of Greece, Prince Henry of the Netherlands, Beatrice Princess Henry of Battenberg (1857-1944), King Alfonso XIII of Spain.
