 Principality of Monaco |  Prince Rainier III | 31 May 1923 | 9 May 1949 |  Her. Prince Albert (1958) | |
 United Kingdom of Great Britain and Northern Ireland |  Queen Elizabeth II | 21 Apr 1926 | 6 Feb 1952 |  Prince Philip, Duke of Edinburgh (1921) |  Prince Charles, Prince of Wales (1948) |
 Grand Duchy of Luxembourg |  Grand Duke Jean | 5 Jan 1921 | 12 Nov 1964 |  Grand Duchess Josephine- Charlotte (1927) | Her. Grand Duke Henri (1955) |
 Kingdom of Denmark |  Queen Margrethe II | 16 Apr 1940 | 14 Jan 1972 |  Prince Henrik (1934) |  Crown Prince Frederik (1968) |
 Kingdom of Sweden |  King Carl XVI Gustaf | 30 Apr 1946 | 15 Sept 1973 |  Queen Silvia (1943) |  Crown Princess Victoria (1977) |
 Kingdom of Spain | King Juan Carlos I | 5 Jan 1938 | 22 Nov 1975 | ||
 Vatican City | Pope John Paul II | 18 May 1920 | 16 Oct 1978 | ||
 Kingdom of the Netherlands | Queen Beatrix | 31 Jan 1938 | 30 Apr 1980 | ||
 Principality of Liechtenstein |  Prince Hans Adam II | 14 Feb 1945 | 13 Nov 1989 |  Princess Marie (1940) |  Her. Prince Alois (1968) |
 Kingdom of Norway |  King Harald V | 21 Feb 1937 | 17 Jan 1991 |  Queen Sonja (1937) |  Crown Prince Haakon (1973) |
 Kingdom of Belgium | King Albert II | 6 Jun 1934 | 9 Aug 1993 |