** Margrethe, heir apparent to the throne of Denmark, marries French count Henri de Laborde de Monpezat.

** Caesar appoints his nephew Octavian his heir.

** Fusu, first son and heir apparent of Qin Shi Huang

** Ernest Augustus, Hereditary Prince of Hanover ( heir apparent )

** Prince of Gerona ( former Crown of Aragon ); this title was always used in conjunction with other three titles for the heir of the Crown of Aragon crown: Duke of Montblanc, Count of Cervera, Lord of Balaguer ; now the four titles are used in conjunction with Prince of Asturias.

** in Jammu & Kashmir, the heir apparent was styled Maharaj Kumar Shri Yuvaraj ( personal name ) Singhji Bahadur

** the heir apparent was styled: Sri Sri Sri Sri Sri Yuvarajadhiraj (' Young King of Kings ', i. e. Crown Prince ) ( personal name ) Bir Bikram Shah Deva ;

** the eldest son of the heir apparent was styled: Sri Sri Sri Sri Sri Nava Yuvaraj (' Young Crown Prince ') ( personal name ) Bir Bikram Shah Deva

** Quetzal: In a distant future on the colony world of Aztlan, Quetzal becomes the designated heir to Superman, who occupies a semi-divine position in this Aztec-like society.

** Chacha, or Yodo dono ( 1569-1615 ), also known as Daiko ' in, concubine of Toyotomi Hideyoshi and mother of Hideyoshi's heir Hideyori

** compassing the death of the sovereign, or of the sovereign's wife or eldest son and heir

** Sir Henry Percy, also called Harry Hotspur KG ( c. 1365 – 1403 ) heir apparent

** The heir apparent is The Hon.

** The heir apparent is the 4th Baron's eldest son, The Hon.

** Takeda Nobushige-Shingen's younger brother, held their father's favour to be heir of the clan, continued to support his older brother throughout his life, he also wrote the Kyūjūkyū Kakun, a set of 99 short rules for Takeda house members

** The heir apparent is his son, The Hon.

** The heir presumptive to the barony of Mountevans is Hon Jeffrey Richard de Corban Evans ( b. 1948 ), second son of the 2nd Baron Mountevans, and younger brother of the present Baron

** The heir presumptive to the Barony is Alexander Sebastian Lindsay ( b. 1940 ).

** In particular Crown Prince, Kronprinz in German, was reserved for the heir apparent of an emperor or king

** Conn O ' Neill ( Con, Constantino, died before 1660 ), son of Cormac O ' Neill, the younger brother of Earl Hugh who died in the Tower of London, was named as second heir in Shane O ' Neill's will, if Hugo Eugenio died childless ; by the law of the Kingdom of Ireland, he would be the last heir to the Earldom, if restored.

** The heir presumptive is the 8th Duke's younger son Lord John FitzGerald ( b. 1952 )

** George Eberhard, George-Emile's son and heir

** Maurice Eberhard, George-Emile's son and heir

** Sima Ai, Jin Dynasty ( 265-420 ) imperial prince

** Prince Edward, Earl of Wessex, British prince and third son ( youngest child ) of Elizabeth II and The Duke of Edinburgh

** Ali-Reza Pahlavi, titular prince of Iran ( d. 2011 )

** Prince Joachim, Archduke of Austria-Este, Belgian prince

** Prince Daniel, Duke of Västergötland, né Olof Daniel Westling, Swedish prince, married to Crown Princess Victoria

** Charles-Louis-Victor, prince de Broglie, French soldier ( executed ) ( b. 1756 )

** Wigund-Jeronym Trubecki, prince of Trubeck

** Antipater, Judean prince ( son of Herod the Great )

** William fitz Duncan, Scottish prince

** Yasa ' ur, Chagatai prince

** Michal Wisniowiecki, prince at Wiśniowiec ( b. 1529 )

** Christopher Báthory, prince of Transylvania ( b. 1530 )

** Michał Wiśniowiecki, prince at Wiśniowiec ( d. 1584 )

** Konstanty Wasyl Ostrogski, Lithuanian prince ( d. 1608 )

** Kamran Mirza, Mughal prince ( d. 1557 )

** Petru Aron, prince of Moldavia

** Parameswara, Malay Srivijayan prince ( d. 1424 )

** Yuri IV, Russian grand prince ( b. 1374 )

** Witte van Haemstede, Dutch prince

** Prince Tsunenaga, Japanese imperial prince ( d. 1338 )

** March 26 – By the treaty of Almirra, the king of Aragon and prince of Castile come to an agreement on the attribution of Muslim lands to still to be conquered.

** Bohemond VII of Tripoli, prince of Antioch ( d. 1287 )

** Liu An, Chinese prince, geographer, and cartographer ( d. 122 BC )

** Liu Xiang, Chinese prince involved in the Lü Clan Disturbance in 180 BC and grandson of Emperor Gao of Han