In the sprawling world of Game of Thrones, power is organized around great Houses whose names, sigils, and seats shape politics, war, and identity across Westeros and beyond. This guide explains the major families present in the television series, focusing on their defining traits, lineages, strongholds, and central conflicts. While drawing on material from George R. R. Martin’s books, it concentrates on what the show establishes about these Houses as enduring political and social units.
Great Houses of Westeros at a Glance
Across the continent of Westeros, a handful of legendary Houses hold regional dominance, each with a distinct heraldry and historical relationship to the Iron Throne. Below are the key Houses featured in the main arc of the series, with their official seat and primary sigil.
| House | Seat | Sigil | Words | Region |
|---|---|---|---|---|
| Stark | Winterfell | Grey direwolf on white | Winter is Coming | North |
| Lannister | Casterly Rock | Golden lion on red | Hear Me Roar! | Westerlands |
| Baratheon | Storm’s End | Black stag on gold | Ours is the Fury | Stormlands |
| Targaryen | Dragonstone | Three-headed dragon on black | Fire and Blood | Crownlands |
| Tyrell | Highgarden | Golden rose on green | Growing Strong | Reach |
| Greyjoy | Pyke | Golden kraken on black | We Do Not Sow | Iron Islands |
| Arryn | The Eyrie | White falcon on blue | As High as Honor | Vale |
| Martell | Sunspear | Golden spear through a red sun | Unbowed, Unbent, Unbroken | Dorne |
| Tully | Riverrun | Trout and lobster on red and blue | Family, Duty, Honor | Riverlands |
| Baelish | Harrenhal | Chaos is a ladder | Riverlands | |
| Bolton | Dreadfort | Flayed man on black | Our Blades are Sharp | North |
Defining Houses in Game of Thrones
Each House in Game of Thrones functions as a multi-generational institution that combines land, lineage, and local authority. They are bound by intricate alliances through marriage, sworn bannermen, ancient rivalries, and shared histories that predate the series by centuries. Questions around legitimacy, succession, and territory drive much of the show’s plotting, making these Houses central to understanding the broader conflict.
Origins and Historical Context
The noble families of Westeros trace their roots to the Dawn Age and the periods that followed, including the rise of the First Men, the Andal invasion, and Targaryen conquest. Some Houses predate the Kingdom of the Isles and the later unification under the Iron Throne, giving them claims and customs that run deeper than any single king. These deep histories inform present loyalties and grudges.
House Stark of Winterfell: The North
House Stark is the principal ruling House of the North, with Winterfell as its seat. Its sigil, a grey direwolf on white, reflects the region’s long winters and sense of loyalty. Stark words, “Winter is Coming,” serve as a reminder to remain vigilant. Key members include Eddard Stark, his children Robb, Sansa, Arya, Bran, and Rickon, along with relatives by blood and marriage such as Theon Greyjoy and Jon Snow, whose parentage complicates the line of succession.
House Lannister of Casterly Rock: The Westerlands
Among the wealthiest and most influential Houses, the Lannisters hold Casterly Rock and later the capital following the War of the Five Kings. Their golden lion on a red field symbolizes power and nobility. Core figures include Tywin Lannister, his children Cersei, Jaime, and Tyrion, and the extended family by marriage such as the Tarbecks and later the Martells through Myrcella. The House’s financial resources and political maneuvering make it central to court and battlefield alike.
Other Major Houses and Regional Powers
Several additional Houses play pivotal roles across the series. Baratheon rules from Storm’s End with a stag sigil after Robert’s Rebellion, while Targaryen survives in exile with dragon motifs. The Tyrells of Highgarden control the Reach through their rose sigil and strong agricultural base. The Greyjoys of the Iron Islands answer to Pyke with a kraken, and the Arryns of the Eyrie watch from high ground with a falcon. Smaller but influential Houses include the pragmatic Baelishes of Harrenhal and the vengeful Boltons of the North, whose flayed-man sigil underscores their brutal rule.
Loyalties, Rivalries, and Alliances
Relationships between the Houses define much of the series’ political landscape. Feuds between Stark and Lannister drive early conflict, while Targaryen claims intersect with Baratheon, Stark, and Arryn interests. Marriages, such as those between Tyrion and Sansa or Joffrey and Margaery, reshape allegiances. Bannermen and regional powers, including the Freys, Mormonts, and Tarlys, further complicate the web of duty and betrayal that determines outcomes in war and court.
Beyond the Narrow Sea and the Great Houses
The influence of noble families extends beyond Westeros’s western coast. In the Free Cities, mixed heritage and mercantile power define houses like those from Pentos and Braavos, while Volantis maintains traditions tied to Old Valyria. Essos introduces new dynamics, with figures such as Daenerys Targaryen building a following among displaced peoples, demonstrating that the idea of House extends beyond geography and into ideology and leadership.
Conclusion
The Houses of Game of Thrones are more than settings; they are living institutions that bind characters to land, history, and ambition. From Stark at Winterfell to Lannister at Casterly Rock, each family’s sigil, seat, and traditions inform the strategies and loyalties that shape Westerosi politics. Understanding these families is essential to grasping the long-term stakes of the series and the enduring appeal of its intricate, family-centered storytelling.