Antiochus IX Cyzicenus

Antiochus IX Eusebes
Antiochus IX Eusebes Cyzicenus
King of the Seleucid Empire (King of Syria)
Reign 116 BCE-96 BC (with his brother Antiochus VIII Grypus)
Predecessor Antiochus VIII Grypus
Successor Seleucus VI Epiphanes
Born Unknown
Died 96 BC
Issue Antiochus X Eusebes
Dynasty Seleucid
Father Antiochus VII Sidetes
Mother Cleopatra Thea

Antiochus IX Eusebes ("pious") Cyzicenus ("from Cyzicus"), ruler of the Greek Seleucid kingdom, was the son of Antiochus VII Sidetes and Cleopatra Thea.[1]


The son of Antiochus VII Sidetes and Cleopatra Thea,[1] upon the death of his father in Parthia and his uncle Demetrius II Nicator's return to power (129 BC), his mother sent him to Cyzicus on the Bosporus, thus giving him his nickname.

After the death of his mother Cleopatra Thea ca. 118 BCE,[1] Antiochus IX Cyzicenus challenged his half-brother, Antiochus VIII Grypus, for power of Syria.[1]

He returned to Syria in 116 BC to claim the Seleucid throne from half-brother/cousin Antiochus VIII Grypus, with whom he eventually divided Syria, with the right to rule half of the Seleucid Kingdom granted to him in 116 BCE.[1]

Antiochus IX Cyzicenus was first married to Cleopatra IV, who was then killed in 112 BC by her sister and rival Syrian Queen Tryphaena, wife of King Grypus.[2][3][4] After the death of Grypus and capturing the capital, Antiochus IX Cyzicenus married Cleopatra Selene I, the sister of his former wife Cleopatra IV.

He was killed in battle by the son of Grypus, Seleucus VI Epiphanes in 96 BC.


Beginning his reign in 95 BC, the son of Antiochus IX Antiochus X Eusebes' first achievement was to defeat his double half-cousin/second cousin Seleucus VI Epiphanes, thus avenging the recent death of his father Antiochus IX Cyzicenus. The epithets he took tell much of his story: Eusebes (being a title of his father) and also Philopator (father-loving) both honoured his father. After that, he ruled Antioch and its surroundings, fighting endlessly against the four brothers of Seleucus VI, the Nabataeans and the Parthian Empire.


See also


  1. 1 2 3 4 5 Antiochus IX Cyzicenus entry in historical sourcebook by Mahlon H. Smith
  2. Aidan Dodson, Dyan Hilton, The Complete Royal Families of Ancient Egypt, 2004
  3. Cleopatra Thea by Chris Bennett
  4. Justin 39, 3, 3-11.

External links

Wikimedia Commons has media related to Antiochus IX Cyzicenus.
Antiochus IX Cyzicenus
Born: Unknown Died: 96 BC
Preceded by
Antiochus VIII Grypus
Seleucid King (King of Syria)
11496 BC
with Antiochus VIII Grypus (12596 BC)
Succeeded by
Seleucus VI Epiphanes
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