* Alexander ( d. 1418 ), son of Bulgarian tsar Ivan Shishman

* 1581 – Ivan Ivanovich, son of Ivan IV of Russia ( b. 1554 )

He was the second son of two schoolteachers, Ivan Gavrilovich and Liubov Ivanovna Bukharin.

Upon his death, there was a period of dynastic struggles between his children by his first wife Maria Ilyinichna Miloslavskaya ( Feodor III, Sofia Alexeevna, Ivan V ) and his son by his second wife Nataliya Kyrillovna Naryshkina, the future Peter the Great.

* January 5 – Tsarevich Ivan Dmitriyevich, son of False Dmitriy II

* July 16 – Tsarevich Ivan Dmitriyevich, son of False Dmitriy II

* March 27 – Vasili II of Russia dies, and is succeeded by his son Ivan III of Russia.

* May 15 – In Russia, Tsarevich Dimitri, son of the Ivan the Terrible, is found dead in mysterious circumstances, at the palace in Uglich.

On 15 November 1581, he was present at the scene of the Tsar's murder of his own eldest son, the crown prince Ivan.

On his deathbed, Ivan appointed a council consisting of Godunov, Feodor Nikitich Romanov, Vasili Shuiski and others, to guide his son and successor, for Feodor was feeble both in mind and body ; " he took refuge from the dangers of the palace in devotion to religion ; and though his people called him a saint, they recognized that he lacked the iron to govern men.

's father Ivan Moss ( Dub Taylor ), who thinks the couple — and an ornate tattoo — have corrupted his son.

Ivan was the son of Vasili III and his second wife, Elena Glinskaya.

In 1235 this alliance resulted in the restoration of the Bulgarian patriarchate and the marriage between Elena of Bulgaria and Theodore II, respectively Ivan Asen II's daughter and John III's son.

By his wife Irene Asanina, a daughter of Andronikos Asan ( son of Emperor Ivan Asen III of Bulgaria by Eirene Palaiologina, herself daughter of Emperor Michael VIII Palaiologos ), John VI Kantakouzenos had several children, including:

These witnesses were Maxim Grigoyev, Tatiana Sitnikova and her son Fyodor Sitnikov, Ivan Kuklin and Matrina Kuklina, Vassily Ryabov, Ustinya Varankina, and Dr. Pavel Utkin, a physician who treated the girl after the incident.

His parents were Ivan John Harris ( b. 1896, son of Richard Harris, b. 1854, son of James Harris of St. Michael's, Limerick ) and Mildred Josephine ( Harty ) Harris ( b. 1898, daughter of James Harty, St. John's, Limerick, who owned a flour mill.

Bagration was born in 1765 to a Georgian prince of the Bagratid dynasty, Colonel Prince Ivan Alexandrovich Bagration ( 18 November 1730 – 9 October 1795 ), who was the eldest son of Alexander.

Ivan was the son of Prince of Moscow Daniil Aleksandrovich.

Her son and Ivan's great-grandson, Ivan VI would be the last Russian emperor among the issue of Maria Miloslavskaya, the first wife of Tsar Alexis.

In 1340 Simeon, the eldest son of Ivan Kalita, was stationed in Nizhny Novgorod.

He was the second son of Ivan Kalita, and succeeded his brother Simeon the Proud, who died of the Black Death.

Saint Dmitry Ivanovich Donskoy (, also known as Dimitrii ), or Dmitry of the Don, sometimes referred to as Dmitry I ( 12 October 1350, Moscow – 19 May 1389, Moscow ), son of Ivan II the Meek of Moscow ( 1326 – 1359 ), reigned as the Prince of Moscow from 1359 and Grand Prince of Vladimir from 1363 to his death.

* 1203 – Isaac II Angelos, restored Eastern Roman Emperor, declares his son Alexios IV Angelos co-emperor after pressure from the forces of the Fourth Crusade.

Ahmed III ( Ottoman Turkish: احمد ثالث Aḥmed-i < u > s </ u > āli < u > s </ u >) < span dir =" ltr ">( December 30 / 31, 1673 – July 1, 1736 )</ span > was Sultan of the Ottoman Empire and a son of Sultan Mehmed IV ( 1648 – 87 ).

Alexander Balas (), ruler of the Greek Seleucid kingdom in 150 – 146 BC, was a native of Smyrna of humble origin, but gave himself out to be the son of Antiochus IV Epiphanes and Laodice IV and heir to the Seleucid throne.

He was the fourth son of Casimir IV Jagiellon.

Alexander was born as son of the King Casimir IV Jagiellon of Poland and Elisabeth Habsburg of Hungary, daughter of the King Albert of Hungary.

Alexander attempted to persuade Ewen, the son of Duncan, Lord of Argyll, to sever his allegiance to Haakon IV of Norway.

* Alexander IV of Macedon ( 323 BC – 309 BC ), son of Alexander the Great

Led by a pretender claiming to be Constantine Diogenes, a long-dead son of the Emperor Romanos IV, the Cumans crossed the mountains and raided into eastern Thrace until their leader was eliminated at Adrianople.

* Nikephoros Diogenes, the son of emperor Romanos IV.

Alexios IV Angelos, the son of the deposed Isaac II, had recently escaped from Constantinople and now appealed to the crusaders, promising to end the schism of East and West, to pay for their transport, and to provide military support to the crusaders if they helped him to depose his uncle and sit on his father's throne.

Isaac II, drawn from his prison and robed once more in the imperial purple, received his son, Alexios IV, in state.

His participation in the attempted usurpation of John Komnenos the Fat in 1200 had caused him to be imprisoned until the accession of Isaac II Angelos, who was restored to the throne after having been deposed and imprisoned by his brother Alexios III, and his son Alexios IV Angelos, who were placed on the throne by the intervention of the Fourth Crusade in July 1203.

Because of some favoritism he showed towards his second wife, the last years of his life, he had to contend with the son of his first marriage, the future Peter IV.

Alfonso, by formally submitting his reign to the Papacy, obtained the consent of Pope Eugene IV that the Kingdom of Naples would go to his immature son Ferdinand.

He was the son of Raymond IV of Toulouse by his third wife, Elvira of Castile, was born in the castle of Mont-Pelerin, Tripoli, in today's Lebanon.

His sons were: Mustafa IV ( 1807 – 08 ) ( his son by Ayşe Seniyeperver ), Mahmud II ( 1808 – 39 ) ( his son by Naksh-i-Dil Haseki ), Murad, Nusret, Mehmed, Ahmed, and Süleyman.

Aldona had two daughters, Cunigunde ( died in 1357 ), who married Louis VI the Roman, the son of Louis IV, Holy Roman Emperor, on 1 January 1345, and Elisabeth ( died in 1361 ), who was married to Duke Bogislaus V of Pomerania.

In 1137, Aragon and the County of Barcelona merged in dynastic union by the marriage of Ramon Berenguer IV and Petronilla of Aragon, their titles finally borne by only one person when their son Alfonso II of Aragon ascended to the throne in 1162.

Following the death of his son Leo IV in 780, the empress Irene restored the veneration of images through the agency of the Second Council of Nicaea in 787.

Isabella of France, sister of Charles IV, claimed the throne for her son, Edward III of England.

When Chilperic II died the following year ( 720 ), Charles appointed as his successor the son of Dagobert III, Theuderic IV, who was still a minor, and who occupied the throne from 720 to 737.

The daughters from this marriage were Cunigunde ( d. 1357 ), who was married to Louis VI the Roman, the son of Louis IV, Holy Roman Emperor, and Elisabeth, who was married to Duke Bogislaus V of Pomerania.

His second daughter, Elisabeth, Duchess of Pomerania, bore a son in 1351, Casimir IV of Pomerania.