Fetching details from the dictionary...
princess; daughter of a nobleman
娘は父に姫様と呼ばれた。
The daughter was called "Princess" by her father.
騎士は姫様を命がけでお守りした。
The knight protected the princess with his life.
姫様は城を抜け出し、自由を求めて旅立った。
The princess escaped the castle and set off on a journey seeking freedom.