I've noticed some things about the naming of Trow cities and have some theories I want to run by everyone here.
First we know of at least two Trow strongholds, Rhi'anon and Rhi'ornin, and if you add in the City of Si'Anwon, you have three cities, each of which have a prefix in the front of their names, either Rhi, or Si. This begs the question if ALL Trow cities are spelled with a prefix? And is the Drowned Kingdom of Yer-Ks affiliated with the Trow? The Thrall flavor text does speak of Si'anwon being under water.