Traidans del Plessiei, Triadan del Plaissee, Triadan del Plaissiet, Triadan del Plesse, Triadan do Plessie, Tridam du Plessis, Tridians del Plessiei

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A knight from the Hedged Manor defeated in combat by Yvain (Ywaine) during the latter’s quest to slay Malduit the Giant. As a condition of Tridan’s surrender, Yvain forced him to deliver a challenge to Malduit that Yvain had taken his shield.

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Source
Vulgate Lancelot | 1215-1230