1. Dun, Chastel
      Dum, Duns, Esordes, Esorduns, Essondun, Essouduns

      A castle in the valley of Castle Charrot.

      Both castles were ruled by Patrice, a vassal (or uncle) of King Claudas. Later, the castle was re-named Issoudun, after Patrice’s son Issout.

      It is probably identical with a castle called Dum.

    2. Dun Cow

      A beast slain by Guy of Warwick.

      See also
      Fomorians | The Legend of King Arthur

    3. Dun Stallion

      A horse of Arthur's said to haunt the County Durham village of Castle Eden.