Category
page 1Sons of empresses regnant

Edward VII
Edward VII was King of the United Kingdom and the British Dominions, and Emperor of India, from 22 January 1901 until his death in 1910.
Paul I of Russia
The ninth Emperor of Russia (1796–1801)

Konstantinos VI
Byzantine Emperor (771-802)

Alfonso VII of Castile
Castilian monarch

Tenji
Emperor of Japan (626-672)
Alfred, Duke of Saxe-Coburg and Gotha
Duke of Saxe-Coburg and Gotha from 1893 to 1900 (1844–1900)
Prince Arthur, Duke of Connaught and Strathearn
British prince (1850–1942), Governor General of Canada from 1911 to 1916
Tenmu
Emperor of Japan

Prince Leopold, Duke of Albany
Member of the House of Saxe-Coburg and Gotha

Emperor Ruizong of Tang
emperor of the Tang Dynasty
Monmu
Emperor of Japan

Emperor Zhongzong of Tang
emperor of the Tang Dynasty

Vaballathus
Septimius Vaballathus (; ; – ) was emperor of the Palmyrene Empire centred at Palmyra in the region of Syria.
Louis, Prince of Taranto
King of Naples
Philip II, Prince of Taranto
Prince of Achaea and Taranto, and titular Emperor of Constantinople
Robert, Prince of Taranto
son of Prince Philip I of Taranto and Empress Catherine II of Valois
Li Xian
Tang Dynasty crown prince
Septimius Antiochus
late 3rd century Palmyrene rebel leader
Prince Kusakabe
Japanese prince
Li Hong
Tang Dynasty crown prince
Hairan II
3rd century prince of Palmyra
Pyotr Petrovich
(1715-1719)