Heirs presumptive

heir presumptive to the throne of Austria-Hungary (1863–1914)

ancient Roman statesman and general

Prince Albert of Saxe-Coburg and Gotha was the husband of Queen Victoria and consort of the British monarch from their marriage on 10 February 1840 until his death in 1861. Victoria granted him the title Prince Consort in 1857.

38th princess of Asturias and heiress to the Spanish throne

German chancellor (1867-1929)

younger brother and heir presumptive of Emperor Naruhito of Japan

queen consort of Portugal (1470-1498)

Princess Imperial of the Empire of Brazil (1846-1921)

Russian grand duke (1779–1831)

Prince of Asturias; eldest child of Philip II of Spain

Holy Roman empress (1651-1673)

Austrian archduke (1802-1878)

Ruler of Bavaria (1821–1912)

Austrian archduke (1833–1896)

British prince (1850–1942), Governor General of Canada from 1911 to 1916

Infante of Spain (1788–1855)

Castillian infanta and queen, queen consort of Portugal

Tiberius Claudius Caesar Britannicus (12 February AD 41 – 11 February AD 55), usually called Britannicus, was the son of Roman Emperor Claudius and his third wife, Valeria Messalina. For a time, he was considered his father's heir, but that changed after his mother's downfall in 48, when it was revealed she had engaged in a bigamous marriage without Claudius' knowledge. The next year, his father married Agrippina the Younger, Claudius' fourth and final marriage. Their marriage was followed by the adoption of Agrippina's son, Lucius Domitius Ahenobarbus, whose name became Nero as a result. His

Queen of Castile, Pretender Queen of Portugal

Belgian prince (1837–1905)

Spanish princess and Spanish infanta (1880–1904)

Archduchess of Austria (1669-1692)

third son of Emperor Alexander III and Empress Maria of Russia (1871–1899)

younger son of Christian X of Denmark and Alexandrine of Mecklenburg-Schwerin

German Generalfeldmarschall (1865–1939)

nephew and son-in-law of Roman emperor Augustus

Regent and Crown Prince of Iraq (1913–1958)

Austrian archduke, founder of the House of Austria-Este

daughter of Louis II, Prince of Monaco; mother of Rainier III, Prince of Monaco (1898-1977)

Russian tsarevich (1582–1591)

German prince (1835-1905)

Hereditary Prince of Denmark and Norway

German general

Foster-mother of Queen Christina of Sweden

Prince of Asturias (1453-1468)

Electoral Prince of Bavaria

Father of Maximilian I Joseph of Bavaria (1724-1767)

Prince of Saxony (1759-1838)

Romanian Royal (1903–1978), prince regent of Romania from 1927 to 1930

Heir presumptive to the Monarchy of Thailand and son of Rama X

German prince

Portuguese prince (1498-1500)

Bulgarian Royal (1895-1945)

German noble (1708-1752)

Pujie (; 16 April 1907 – 28 February 1994) was a Qing dynasty imperial prince of the Aisin-Gioro. Pujie was the younger brother of Puyi, the last Emperor of China. After the fall of the Qing dynasty, Pujie went to Japan, where he was educated and married to Hiro Saga, a Japanese noblewoman. In 1937, he moved to Manchukuo, where his brother ruled as Emperor under varying degrees of Japanese control during the Second Sino-Japanese War (1937–1945). After the war ended, Pujie was captured by Red Army, held in Soviet prison camps for five years, and then extradited back to the People's Republic of

German prince and general (1808-1870)

British princess; youngest child of Alexander Duff, 1st Duke of Fife, and Louise, Princess Royal (1893–1945)

Prince of Hesse and by Rhine and German general (1809-1877)

German prince (1864-1927)

Thai prince (1892–1929)

German duke (1838-1917)

German royal (1725–1778)

Regent of Lippe (1842-1904)

Prinz von Sachsen-Meiningen, Germany; painter, Prussian colonel (1859-1941)

Archduke of Austria (1839-1892)

German nobleman (1829-1907)

Swedish prince (1601-1622)

Hereditary Prince of Denmark (1792–1863)

Prince of Bourbon-Two Sicilies

Empress consort of Philip II of Taranto