House of Nakloz
The House of Nakloz is one of the slaving families of Astapor.
A Storm of Swords
Kraznys mo Nakloz, one of Astapor's Good Masters and a dealer in Unsullied, receives Daenerys Targaryen when she arrives in the city to purchase slave soldiers. Kraznys is present for the negotiations about the price of the Unsullied, and later also when Daenerys arrives to take possession of her army. He takes over the largest of her dragons, Drogon, in exchange for the army of Unsullied, but later dies in the fall of Astapor when Daenerys sets Drogon upon him.
A Dance with Dragons