A pair of Thieves that stole The Hundred Hearts of Huolaeo.

You describe the Dastio brothers, but it’s their dog she remembers. “Not many o’ that breed down here,” she says. “Mutt was barking up a storm at anyone that tried to shake their loot. - Backstory Codex - Investigator (RPA-BC)

You over hear A young Wrathborn thief mention the Dastio brothers. The Wrathborn is turned away from the Thieves Guild.

• Point out the young thief to the King's guard, and together you accost the thief and get the information you need.
• Point out the king's guard to the thief, who thanks you and tells you what you need to know.