He was born in the year 462 in Kent. 
Oeric, who died in 512, was the son of Hengist. 
Bede names "Oeric cognomento Oisc" as son of "Hengist", adding that the kings of Kent were usually called "Oiscingas" after his name. 
He was the son of Ochta, son of Hengist, according to the genealogy in the Anglian collection. 
The 9th-century Anglo-Saxon Chronicle, one of the most important sources for this period of history, does not mention Octa. It does, however, mention Hengist and gives Oisc as his son. However, Bede's Ecclesiastical History of the English People, completed around 731, names Octa as the son of "Orric, surnamed Oisc" and the grandson of Hengist.  Conversely, the 9th-century Cotton Vespasian manuscript indicates that Octa was the son of Hengist and the father of Oisc. 
Aesc, son of Hengist, mentioned when Hengist succeeded to the kingdom.
The Anglo-Saxon Chronicle records that in 455 Hengist and Horsa fought against King Vortigern at "Agælesfrep" [Aylesford] where Horsa was killed, adding that "after that Hengest succeeded to the kingdom and Æsc his son". 
The Anglo-Saxon Chronicle records that in 457 "Hengist and Æesc" fought against the Britons at "Crecganford" [Crayford] where they "slew four thousand men" after which "the Britons…forsook Kent and fled to London". 
The Anglo-Saxon Chronicle records that in 465 "Hengist and Æsc" fought against the Welsh near "Wippedesfleot" where they "slew twelve Welsh nobles". 
The Anglo-Saxon Chronicle records that in 473 "Hengist and Æesc" fought against the Welsh again. 
The Anglo-Saxon Chronicle records that in 488 "Æsc succeeded to the kingdom and was king of the people of Kent twenty-four years" but does not say that this was when Hengist died. 
William of Malmesbury records that he was "more intent on defending than enlarging his dominions, never exceeded his paternal bounds". 
William of Malmesbury reports that Œric died "at the expiration of twenty-four years [from his accession]" 
He died in the year 512 in Kent. 
He died in Badon, England.
King Oisc had one son:
Son of Hengist and father of Oisc according to the genealogy in the Anglian collection. 
Bede records that "Octa" was son of "Oeric cognomento Oisc". However, he was the son of Hengist and father of Oisc according to the genealogy in the Anglian collection.  Sources disagree on his relationship to the other kings in his line; he may have been the son of Hengist or Oisc,  He succeeded his father as king of Kent. 
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