|Book(s)||A Game of Thrones (mentioned)|
A Game of Thrones
Byan is the captain of a caravan encamped in the Western Market of Vaes Dothrak. He is the bearer of a letter from Magister Illyrio Mopatis addressed to Ser Jorah Mormont. Princess Daenerys Targaryen is trading in the market when she is nearly poisoned by a wine trader of the caravan. Aghast, Byan gives the poisoner into the custody of the princess's guards.