|Died||In 2 BC, the Field of Fire|
|Father||Mern IX Gardener|
The World of Ice & Fire (mentioned)|
Fire & Blood (mentioned)
The Rise of the Dragon (mentioned)
When his father, King Mern IX, made an alliance with Loren I Lannister, King of the Rock, to join their armies against Aegon the Conqueror, Gawen rode beside him carrying the Gardener banner. Gawen burned in the Field of Fire alongside his father, brothers, and his father's grandsons when Aegon and his sisters, Visenya and Rhaenys, unleashed the fury of their dragons.
- The World of Ice & Fire, The Reign of the Dragons: The Conquest.