Gandelu, Gandaluz, Ganedlu
Tenth best of Arthur’s knights, according to the list Chrétien de Troyes begins in line 1691 of Erec and Enide.
This Round Table knight fought in a Castle of Maidens tournament in Le Bel Inconnu and whose wife failed a chastity test in Diu Crône.
Sources
Erec | Chrétien de Troyes, late 12th century
Le Bel Inconnu | Renaut de Bâgé, 1185–1190
Diu Crône | Heinrich von dem Türlin, c. 1230