WConstantine II reigned as the last King of Greece, from 6 March 1964 until the abolition of the monarchy on 1 June 1973.
WFarida, born Safinaz Zulficar was the queen of Egypt for nearly eleven years as the first wife of King Farouk.
WMaría del Rosario Cayetana Fitz-James Stuart y Silva, 18th Duchess of Alba GE was one of the most senior aristocrats in Spain, as well as the most titled aristocrat in the world, title now held by the Princess Victoria of Hohenlohe-Langenburg, 20th Duchess of Medinaceli.
WFrederica of Hanover was Queen consort of Greece from 1947 until 1964 as the wife of King Paul, thereafter Queen mother.
WPrincess (Leult) Ijigayehu Amha Selassie was the eldest child of Crown Prince Asfaw Wossen of Ethiopia by his first wife, Princess Wolete Israel Seyoum and was the granddaughter to Emperor Haile Selassie.
WGrace Patricia Kelly was an American actress who, after starring in several significant films in the early to mid-1950s, became Princess of Monaco by marrying Prince Rainier III in April 1956.
WMaria Teresa is the spouse of Grand Duke Henri, who acceded to the throne in 2000. She was born in Cuba.
WPrincess Marie of Denmark, Countess of Monpezat, is a member of the Danish royal family. She is the second wife of Prince Joachim of Denmark, the younger son of Queen Margrethe II of Denmark.
WPrincess Marina of Greece and Denmark, later Princess Marina, Duchess of Kent, was a Greek princess by birth and a British princess by marriage. She was a daughter of Prince Nicholas of Greece and Denmark and Grand Duchess Elena Vladimirovna of Russia, and a granddaughter of King George I and Queen Olga of Greece. Princess Marina married Prince George, Duke of Kent, fourth son of King George V and Queen Mary, in 1934. They had three children: Prince Edward, Princess Alexandra, and Prince Michael.
WMary, Crown Princess of Denmark, Countess of Monpezat, is the wife of Frederik, Crown Prince of Denmark. Frederik is the heir apparent to the throne, which means that should Frederik succeed, she will automatically become Queen consort of Denmark.
WPrincess Muna Al-Hussein is the mother of King Abdullah II of Jordan. She was the second wife of King Hussein; the couple divorced on 21 December 1972. She is British by birth, and changed her name to Muna Al-Hussein upon marriage.
WQueen Rambai Barni, formerly Princess Rambai Barni Svastivatana, was the wife and Queen Consort of King Prajadhipok of Siam.
WMargarita Gómez-Acebo y Cejuela is the wife of Tsar Simeon II of Bulgaria, whom she married after his exile. As such, she is also sometimes styled Tsaritsa Margarita; in this context, she may be styled as Princess of Saxe-Coburg and Gotha and Duchess in Saxony, due to her husband's descent from those former ruling families. During her husband's tenure as Prime Minister of Bulgaria, she was sometimes referred as Margarita Sakskoburggotska. The current Bulgarian government does not recognize the titles in exile of the former Bulgarian royal family.
WSirikit (Thai: สิริกิติ์; Thai pronunciation: [sì.rì.kìt]; listen ; born Mom Rajawongse Sirikit Kitiyakara is the Queen mother of Thailand. She was the queen consort of King Bhumibol Adulyadej and is the mother of King Vajiralongkorn. She met Bhumibol in Paris, where her father was Thai ambassador. They married in 1950, shortly before Bhumibol's coronation. Sirikit was appointed queen regent in 1956, when the king entered the Buddhist monkhood for a period of time. Sirikit has one son and three daughters with the king. Consort of the monarch who was the world's longest-reigning head of state, she was also the world's longest-serving queen consort. Sirikit suffered a stroke on 21 July 2012 and has since refrained from public appearances.
WPrincess Tenagnework Haile Selassie, DBE baptismal name Fikirte Mariam, of Ethiopia was the eldest child of Emperor Haile Selassie and Empress Menen Asfaw.
WCountess Georgina von Wilczek was Princess consort of Liechtenstein from 1943 to 1989 as the wife of Prince Franz Joseph II. She was the mother of Prince Hans-Adam II and was widely known as Gina.