Photos

Princess Georgina and Prince Francis Joseph II of Liechtenstein pose with one of their children at Vaduz Castle.

A Mongol prince and princess stand with their young children in the 1930s, wrapped in warm furs to ward off the cold, in the courtyard of their home in Beijing, China.

Crown Prince Abdullah II, then one year old, of the Hashemite Kingdom of Jordan poses with a dagger, made of pure gold and silver, that belonged to his great-grandfather King Abdullah who was assassinated in the Old City of Jerusalem in 1951. He was crowned king in 1999.

A Mongolian princess wears full court dress, including a traditional headdress.

The king of Thailand, Bhumibol Adulyadej, with his wife Princess Sirikit and newborn daughter Nabol in Lausanne, Switzerland in 1951. The couple met in Paris while the princess was studying in boarding school.

Sultan Ibrahim I of Johor (in modern-day Malaysia) pictured with his wife and daughter, arrive at Tilbury, England in 1958, one year before the end of his reign.

Nftombi Tfwala (right) and a daughter of King Sobhuza II of Eswantini, one of his some 210 children, pose for a photograph. Nftombi would later have a child with King Sobhuza II and give birth to King Mswati III. As King Mswati III’s mother, she shares in his royal responsibilities. The Eswantini royal family is the last absolute monarchy in Africa.

Salote Tupou III, Tonga's first reigning queen and the mother of Taufa?ahau Tupou IV, led the island archipelago until her death in 1965.

Iranian Shah Mohammad Reza Pahlavi and his son ski nearly 40 miles south of Tehran in 1963. Mohammad Reza would abandon his throne 16 years later, one month before the Islamic Revolution. After his departure, crowds chanted, “The shah is gone forever!” His son has yet to reclaim the throne.

The queen of Nyorophu stands with two of her children on Nyorophu Island in the Yunnan Province of China. Yongning Lake, which surrounds the island, was home to a lamasery, a monastery where Tibetan Buddhist spiritual leaders reside.

Princess Victoria (left) and Princess Alice (right), daughters of Queen Victoria and Prince Albert of the United Kingdom, pose for a photograph. Victoria was engaged to Prince Frederick William, heir to the Prussian throne, by the age of fourteen.

Queen Elizabeth II, then eight years old, greets an officer of the guard outside the Rushmoor Arena in Britain. Queen Elizabeth is the longest-serving monarch in British history.

A Siamese prince wears a full regalia of jewels, including a headpiece modeled after a chadok, the traditional Thai dancer's headdress.