Herminde
Brother of King Armant of the Red City. His brother was slain by treacherous vassals.
When Palamedes came to the Red City to avenge Armant’s death, Marin traveled ahead and heralded Palamedes’s arrival. After Palamedes killed the traitors, he gave the Red City to Marin.
Marin became a Knight of the Round Table. He was killed fighting Lancelot and his men when Lancelot rescued Guinevere from the stake.
Sources
Prose Tristan | 1230-1240
Le Morte Darthur | Sir Thomas Malory, 1469-1470