Curfalain, Cursae, Cursal, Cursan, Cursalen, Curselin, Gursal
The Earl of Caichester or Chester. He served Arthur. He was also known as the Warden of the Marches of Wales.
He fought for Arthur in the war against Rome. He led half a legion of troops at the battle of Soissons and was killed there.
Sources
Historia Regum Britanniae | Geoffrey of Monmouth, c. 1138
Roman de Brut | Wace, c. 1155
Brut | Layamon, late 12th century to mid-13th century