Boccus of Mede
Blocus, Boclus, Bocus, Bokke, Bouclus
The King of Media who served the Roman Procurator Lucius.
Lucius called upon him to join Rome’s war against Arthur. He led a force of soldiers at the battle of Soissons, where he killed or badly wounded Bedivere, and was slain by Bedivere’s nephew.
Sources
Historia Regum Britanniae | Geoffrey of Monmouth, c. 1138
Roman de Brut | Wace, c. 1155
Brut | Layamon, late 12th century to mid-13th century
Vulgate Merlin | 1220-1235