Munstensar, Mustansar, Ofustesar
The King of Africa who was subject to Emperor Lucius, and was called upon to join Lucius in the war against Arthur.
He was killed at the battle of Soissons by Arthur’s noble Sir Guitard.
Sources
Historia Regum Britanniae | Geoffrey of Monmouth, c. 1138
Roman de Brut | Wace, c. 1155
Brut | Layamon, late 12th century to mid-13th century