Waterdeep:House Freth

House Freth is one of the lower houses from Menzoberranzan. They appear to be seeking to expand their territory within Undermountain.

Troglodyte Warrens

This floor formed the front line in a war between House Freth and House Auvryndar. Until the Delusionals arrived, and killed everyone.

Maze Level

On the Maze Level, House Freth has a stronghold called Spiderwatch Keep. Erelal Freth, the matriarch, has managed to force Halaster Blackcloak into a marriage, so that she might become ruler of Undermountain.