House Tyrell of Brightwater Keep is a noble house from The Reach and a cadet branch of House Tyrell. The house was created by King Joffrey I Baratheon, who stripped House Florent of Brightwater Keep and bestowed it on Ser Garlan Tyrell.
A Storm of Swords Edit
House Tyrell of Brightwater Keep was created after the Battle of the Blackwater, where Mace Tyrell sided with Joffrey against Stannis Baratheon. Mace's bannermen, the Florents, led by Alester Florent, supported Stannis. Alester was stripped of Brightwater Keep, and the castle was granted to Mace's second son.