This article includes content relating to the Dance of the Dragons, and therefore contains potential spoilers for House of the Dragon, as revealed in GRRM's writings. Anyone wishing to remain completely spoiler free for the new show should avoid any articles displaying this tag.
Behind the scenes
- "[T]he Lord of Casterly Rock and twin to Ser Tyland Lannister."
In the books
- This particular section contains MAJOR spoilers for House of the Dragon. Anyone wishing to avoid spoilers for the upcoming prequel series should not click [Expand].
According to Fire & Blood and The World of Ice & Fire, Lord Jason Lannister was the twin brother of Ser Tyland Lannister, and both vied for the hand of Rhaenyra Targaryen in their youth in 112 AC without successs. He fought for King Aegon II Targaryen and the Greens during the Dance of the Dragons, but was killed by Pate of Longleaf during the Battle at the Red Fork, leaving Casterly Rock in disarray and vulnerable to attack from Dalton Greyjoy and the ironborn.
|Seat:||Casterly Rock||Lands:||The Westerlands|
|Title(s):||Lord Paramount of the Westerlands · Lord of Casterly Rock · Warden of the West · King of the Rock (pre-War of Conquest)|
|Ancestors:||Lann the Clever · Gerold Lannister · Tommen II Lannister · Loren Lannister|
|Current members:||Tyland Lannister|