|Book||The World of Ice & Fire (mentioned)|
Triston was the son of Lord Damon Hightower, who died when Triston was newly born. Triston was raised and trained by Septon Robeson, who ruled in all but name for twenty years and ultimately became the first High Septon. Lord Triston raised the Starry Sept in Robeson's honor after his passing. Triston was succeeded by his son Barris.
- The World of Ice & Fire, The Reach: Oldtown.