Piergeiron the Paladinson was the Open Lord of Waterdeep throughout most of the 1300s DR and leader of the Lords' Alliance. He lived in Piergeiron's Palace in Waterdeep. Usually, the identities of the Lords of Waterdeep are concealed from the people, but Piergeiron was one of only four whose identities were known, the others being Ahghairon, Baeron, and Lhestyn. Piergeiron was personally guarded by Madeiron Sunderstone.