Catelyn's Blade

Catelyn's Blade is actually a troll relic that was found by Ansirem Runeweaver whilst in Stranglethorn Vale. He gave the blade to his daughter Catelyn the Blade, who later ran off to become a pirate.

Source
This item dropped at first from "Pretty Boy" Duncan in Stranglethorn Vale. Afterward, it was provided for The Curse of the Tides.

As a quest objective

 * "Pretty Boy" Duncan (quest)
 * The Curse of the Tides


 * Wowhead