Lady-in-waiting

A lady-in-waiting (also called waiting maid) is a female personal helper at a noble court. A lady in waiting would be in charge of waking, dressing and accompanying a lady in her daily activities She helps a queen, a princess, or other noblewoman. A lady-in-waiting is often a noblewoman of a lower rank than the one she attends. She is not thought to be a servant. Their duties are different depending on the court. People with artistic talents were usually chosen. In Russia, girls between "fourteen or twenty ["sic"]" were chosen, and left the court when she married. People like Anne Boleyn, Jane Seymour, Catherine Howard, and Catherine Parr were all ladies-in-waiting.
Famous ladies-in-waiting.
The Countess of Valentinois (Lady-in-waiting to the French-Italian Countess of Provence)