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House Tyrell of Brightwater Keep

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House Tyrell of Brightwater Keep is a cadet branch of House Tyrell of Highgarden, raised into a noble house of its own within the Reach. Its seat, Brightwater Keep, had belonged to House Florent.

It was founded by Ser Garlan Tyrell, second son of Lord Mace Tyrell, and the two golden roses on its arms mark exactly that: they belonged to a second son who needed lands of his own.

Origins

Founding of the House

Brightwater Keep had belonged to the Florents, until the house rose against the Iron Throne and paid for the defeat with its seat, its titles and its lands.

What the Florents lost went to Ser Garlan Tyrell, second son of Lord Mace Tyrell, as reward for his part in the Battle of the Blackwater. Out of that, in 299 AC, a new house was born within the Reach: House Tyrell of Brightwater Keep.

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Current Situation

Castellan of Brightwater Keep

But the title did not come with possession. Ser Colin Florent, named castellan of Brightwater Keep after his elder brothers left, still holds the castle.

Lord Garlan, its owner on paper, has yet to set foot in his own seat.

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Downfall

Sack of Highgarden

In the television series, this house disappears with the Sack of Highgarden, in 304 AC. No written source records that ending: in the books, the story of House Tyrell of Brightwater Keep stays where Ser Colin Florent left it.

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Domain

Seat

Brightwater Keep · The Reach

Sworn to: House Tyrell of Highgarden

Brightwater KeepHighgardenOldtownStarfallOakenshieldColdmoatBlackmontUplands100 leaguesSee on the map
Seat: Brightwater Keep · 100 leagues
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Books and show

Where they differ

ShowBooks
Extinction304 AC · Sack of Highgarden—

According to the Hielo y Fuego Wiki · Casa Tyrell de Aguasclaras · 2026-07-30

Images remain the property of their authors and are published under the licence of the wiki that hosts them; each one links its page.

Where each datum comes from
English name
anapioficeandfire.com/api/houses
Spanish name
hieloyfuego.fandom.com — “Casa Tyrell de Aguasclaras” (the wiki declares its English name in {{Interlinks}} (global index))
Arms (Spanish)
hieloyfuego.fandom.com — “Casa Tyrell de Aguasclaras”
Region
anapioficeandfire.com/api/houses (Spanish from pipeline/casas/regiones.json)
Seat
«Brightwater Keep (disputed by House Florent)» → data/lugares.json by the variant «Brightwater Keep» + type + region
Allegiance
anapioficeandfire.com/api/houses (overlord field)
Current lord
anapioficeandfire.com/api/houses — the fifth book’s state (the API froze in 2015), NOT the show’s
Extinction on screen
gameofthrones.fandom.com — House Tyrell, Died field
Canon
gameofthrones.fandom.com — House Tyrell members on screen (e.g. Tyrell lady in Game of Thrones; Leo Tyrell in A Knight of the Seven Kingdoms)

Entry written on .

House Tyrell of Highgarden
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  • House Tyrell of Brightwater Keep
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