Master-at-arms at Dragonstone
Fire & Blood (mentioned)|
The Sons of the Dragon (mentioned)
On the account of his prowess at arms and reputation, Ser Gawen was chosen by Queen Visenya Targaryen as the first master-at-arms for her son, Prince Maegor Targaryen, on Dragonstone. Under Corbray's tutelage, Prince Maegor took to swordplay at once.