NIGHTBRINGER | The Arthurian Encyclopedia

Conisbrough

Cunungeberg, Kaerconan

A British castle – formlerly called Kaerconan, apparently named after Conan Meriadoc – controlled by the Saxon leader Hengist.

It was the site of Hengist’s last stand against Ambrosius AureliusEldol, Earl of Gloucester, personally captured Hengist at the battle.


Source
Historia Regum Britanniae | Geoffrey of Monmouth, c. 1138