Kessuria

"(A thilas in Kessurian society was an individual second in line to the throne.)"

Kessuria was the Homeworld of the Kessurian race. Not much is known about the Planet, though it is said to have a Caste System wherein a first or second in line to the throne may inherit it, serving as the ruler of her people.

History
Kessuria had a very harsh ruling system, and as an individual of royalty, a member had many restrictions. This resulted to a female thilas' departure, sometime around 35 ABY, or 0 BBE.

Behind the scenes
While the Home planet of the Kessurians was never fully given a name, it is speculated that it is called 'Kessuria', and it's creatures are Kessurians.