From A Wiki of Ice and Fire
|Title||Lord of Highgarden|
|Died||In 59 AC, at near Highgarden|
|Book(s)||Fire & Blood (mentioned)|
Character and Appearance
In 59 AC, the Shivers hit Highgarden. Bertrand sickened but survived, only to perish, drunk, in a fall from his horse four days after his recovery. He was succeeded as Lord of Highgarden by his son, Martyn.