Theodora Kantakouzene
Theodora Komnene Kantakouzene( c. 1340 – after 1390) was the Empress consort of Alexios III of Trebizond.
Gulkhan-Eudokia of Georgia
Gulkhan-Eudokia  (died 2 May 1395) was the first Empress consort of Manuel III of Trebizond.
Her original name was Gulkhan Khatun; Eudokia was her Christian baptismal name.
Maria of Trebizond
Maria Megale Komnene( died 17 December 1439), known as Maria of Trebizond, was a Byzantine Empress consort by marriage to the Byzantine emperor John VIII Palaiologos( r. 1425–1448).
She was the last empress consort of the Byzantine Empire.
She was one of three daughters of Alexios IV of Trebizond and Theodora Kantakouzene.
Alexander of Trebizond
Alexander Komnenos or Skantarios Komnenos was a co-emperor of the Empire of Trebizond, first with his father Alexios IV of Trebizond then, after several years in exile, with his brother John IV.
Jiajak Jaqeli
Jiajak Jaqeli was the Empress consort of Alexios II of Trebizond.
David of Trebizond
David Megas Komnenos( – 1 November 1463) was the last Emperor of Trebizond from 1459 to 1461.
He was the third son of Emperor Alexios IV of Trebizond and Theodora Kantakouzene.
Following the fall of Trebizond to the Ottoman Empire, he was taken captive with his family to the Ottoman capital, Constantinople, where he and his sons and nephew were executed in 1463.
In July 2013, David and his sons and nephew were canonized by the Holy Synod of the Patriarchate of Constantinople.
Their feast day was determined as 1 November, the anniversary of their deaths.
John IV of Trebizond
John IV Megas Komnenos
( ΄ Μέγας Κομνηνός," Iōannēs IV Megas Komnēnos")( 1403 – c.1459) was Emperor of Trebizond from 1429 until his death.
He was a son of Emperor Alexios IV of Trebizond and Theodora Kantakouzene.
Theodora Kantakouzene (wife of Alexios IV of Trebizond)
Theodora Kantakouzene Megale Komnene( died 12 November 1426) was the Empress consort of Alexios IV of Trebizond.
Said to be very beautiful, according to the chronicle of Laonikos Chalkokondyles she was accused by her son, John Megas Komnenos, of having an affair with the" protovestiarios" of the court of Trebizond; however, other accounts describe her as a faithful and loving wife, who kept the peace between Alexios and his sons.
In either case, during her lifetime their son John fled to Georgia and did not return until after Theodora's death.
Héctor Barrantes
Héctor Barrantes Sansoni( 1939–1990) was an Argentine polo player.
He was the stepfather of Sarah, Duchess of York.
Alexios IV of Trebizond
Alexios IV Megas Komnenos or Alexius IV (1382–1429), Emperor of Trebizond from 5 March 1417 to October 1429.
He was the son of Emperor Manuel III and Gulkhan-Eudokia of Georgia.

Question: Who is the father of Alexios Iv Of Trebizond?