Ké Sia. She is a Princess, a Politician, and heir to the throne of the Naboo planet, Erep. The Royal House of Sia, a small branch of the Onderon House. A true Royal Naboo House that had migrated to Erep, the second planet in the Naboo system after the failure of a Monarchy on Naboo itself.
Born as a princess of royal lineage, she was the only child and heir of King Sia and Queen Sia. Through her Mother, Princess Sia was a descendant of true Naboo Royalty, the first Queens of Naboo that had migrated over to Erep to maintain the Royal House of Sia after another Royal House of Naboo failed to rule the planet. Like her Mother, Sia possessed a strong connection to the Naboo, thus enabling her to join the Government.
Sia ultimately became heir to the Royal throne of Erep, the second planet within the Naboo system, where the Royal House of Sia had migrated to many centuries previously and ruled. Spending most of her time traveling between Naboo and Erep for educational and Royal/Government duties, Sia became the traditional Naboo girl. Joining Government at a very young age and going on to become Senator of Erep at the age of 12. Now aged 13, Sia holds many Royal titles between Erep and Naboo. She has only ever left the Naboo system during her time as Senator.