From A Wiki of Ice and Fire
|Died||In 10 AC, Oldtown|
|Father||Lord Manfred Hightower|
Garmon Hightower was a nobleman of House Hightower and a younger son of Lord Manfred Hightower.
During the First Dornish War, Archmaester Gyldayn describes Garmon Hightower as a young boy.
In 10 AC during the First Dornish War, Lord Manfred Hightower dispatched his eldest son, Ser Addam, to lead a host against Lord Fowler at Nightsong. With most of the Hightower strength away, Ser Joffrey Dayne led a second army against Oldtown. The young Garmon led a sortie against the Dornishmen, but he was slain in battle by Ser Joffrey.
Garmon was the younger son of Lord Manfred Hightower. He had several brothers and sisters, including Ser Addam, who succeeded their father as the Lord of the Hightower.