House Tarkakan

House Tarkanan is a criminal organization based in Sharn consisting mostly of bearers of aberrant dragonmarks. The House takes its name from Lord Halas Tarkanan who, along with the Lady of the Plague, raised up those with aberrant dragonmarks to challenge the dragonmarked houses during the War of the Mark. Tarkanan nonetheless has a reputation for assassination, thievery and other unlawful deeds.

House Jorasco (Halflings)

House Jorasco is a halfling dragonmarked house throughout Khorvaire, although their house enclave is located in Karrnath, the mark originated among the nomadic tribes on the Talenta Plains. House Jorasco possesses the Mark of Healing. This mark grants various magical benefits that allow its bearers to heal and cure diseases making Jorasco a vital part of the struggles of the Last War and throughout Khorvaire in general.

House Medani (Half-elves)

House Medani is a half-elven dragonmarked house and is known as the smallest and one of the youngest houses. However, despite its size and age, its members are seemingly everywhere, working as operatives in various fields such as guards, researchers, advisers, inquisitives and spy-catchers. Unlike most dragonmarked houses, Medani has a strong geographical location as the majority of its members are Brelish nationals and live in Breland.

House Ghallanda (Halflings)

House Ghallanda is a halfling dragonmarked house found throughout Khorvaire. Ghallanda is one of the few Dragonmarked Houses that are not involved with some form of arms dealing or soldiering, instead Ghallanda are Eberron's best hosts dealing in food and shelter.

House Lyrandar (Half-elves)

House Lyrandar has long ruled the seas. Their kraken-marked galleons harness air and water elementals and are faster than any mundane vessel. Control of sea and river trade gave Lyrandar considerable power. Now they reach out to the skies. Merely a decade old, Lyrandar airships have undermined the lightning rail's domination of overland travel. House Lyrandar also controls the air in a literal way. The Raincallers' Guild can use the Mark of Storms to control the weather for its clients.

House Thuranni (Elves)

House Thuranni is an elven dragonmarked house which was once a part of House Phiarlan and has become their direct rivals competing in entertainment and espionage. House Thuranni is the youngest of the dragonmarked houses and lives a double life, to the public they are artists, entertainers and beautiful courtiers however, that is far from the truth. House Phiarlan is still larger and stronger than House Thuranni, leading the way in information gathering and spying however, there is one field that House Thuranni surpasses their cousins, assassinations.

House Phiarlan (Elves)

The world at large knows the elves of House Phiarlan as entertainers of the highest order. This stems from a tradition that dates tens of thousands of years, and for many members of the house, it is the only trade they follow. 

Though stories abound that attest the elves of Phiarlan are spies or worse, the people of Khorvaire treat these as children’s tales. Phiarlan’s virtuous performers are known across the continent for their talents. 

In truth, House Phiarlan controls one of the finest intelligence networks in Khorvaire, but these services are available only to guildmasters, nobles, and others the house recognizes as players in the great game of politics and power.

House Kundarak (Dwarves)

House Kundarak is a Dwarven house with services focused in security and banking. Their primary customers are those who have enough coin to buy something worth protecting including the wealthy, the powerful, other dragon marked houses and even state governments. They are the wealthiest Dragonmarked House by far and their banking establishments can be found all over Khorvaire.

House Cannith (Humans)

House Cannith is a human dragonmarked house whose members are well known for their innovation and advancements in arcane design. They are responsible for such wonders such as the Warforged and the Lightning rail. House Cannith provide repair services and the house's gorgon mark is a known and trusted symbol that appears on magical and mundane items. Through past wars Cannith have become the most politically powerful Dragonmarked House.

Cannith South (Breland):  Merrix
Cannith West (Aundair): Jorlanna
Cannith East (Karrnath): Zorlan

House Sivis (Gnomes)

House Sivis possesses the Mark of Scribing. This mark grants various magical benefits related to written and verbal communication. It is through the auspices of Sivis that one can communicate with another across Khorvaire almost instantaneously. House Sivis members also act as translators for diplomats and other dignitaries.

House Orien (Humans)

The House of Passage manages land transportation via the Lightning Rail, caravans and coaches that cross Sharn and all of Khorvaire. Through the Courier’s Guild, the House also delivers mail and packages. Using their dragonmark, their heirs are also capable of teleportation. House Orien’s biggest rival is House Lyrandar who control travel over air and sea.