The are called the most xenophobic of the Dunmer and shun contact with outsiders, preferring to sell bug-musk and tend their herds of giant insects amid the rocky hills and islands of the extreme northeast.

By bringing prosperity to their tower, honor to the house, and security to kinsmen and retainers, wizard-lords thereby insure the health, wealth, and security of their house and its people. The wizard-lords and their mercenaries keep the people secure, and otherwise leave them alone. The Telvanni don't care about politics or what others think, staying out of matters beyond their lands as to not trouble anyone, and only want to be left alone in peace to do as they wish and live comfortably. The house is comprised primarily of wizard-lords who have traditionally isolated themselves and protected commoners in their mushroom-hut villages, pursuing wisdom and mastery in solitude, and generally being quite peaceful. They value talent, knowledge, and initiative. They once controlled the Telvanni Peninsula, but no longer have any properties on the mainland as of the Fourth Era. It governs the Telvanni District of northeastern Morrowind, including Port Telvannis in the archipelago in the northeast, and the eastern portion of the Vvardenfell District from its council seat in Sadrith Mora, home of the Great House's main leadership.

House Telvanni (also called Clan Telvanni, the Brown Party of Telvanni or 'brown hats') is one of the Great Houses of Morrowind. 'House Telvanni matches the disposition of my brother Sotha Sil - iconoclastic, profane, unconventional.' – Vivec

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