"Cinderella", or "The Little Glass Slipper", is a folk tale with thousands of variants that are told throughout the world. The protagonist is a young girl living in unfortunate circumstances who is suddenly blessed with remarkable fortune, ultimately ascending to the throne through marriage. The story of Rhodopis—recounted by the Greek geographer Strabo sometime between 7 BC and AD 23—is about a Greek slave girl who marries the king of Egypt, is usually considered to be the earliest known variant of the Cinderella story.
https://en.wikipedia.org/wiki/Cinderella