NIGHTBRINGER | The Arthurian Encyclopedia

Gronosis

Gronois

Kay the Seneschal’s son, according to Chrétien de Troyes, who calls Gronosis “well versed in evil”, yet lists him among Arthur’s knights.


Sources
Erec | Chrétien de Troyes, late 12th century
Diu Crône | Heinrich von dem Türlin, c. 1230