Thaisa is Simonides’s daughter. A beautiful girl, she is courted by princes from all over the world, but falls completely in love with the seemingly humble knight Pericles, who wins her birthday tournament.
Insisting to her father that she will marry no-one else, no matter the cost, she passes his testing of her with flying colors. Though educated enough to read, she shows no great signs of intelligence. Appearing to die in childbirth, she is thrown overboard, only to be revived by Cerimon when he finds her. She then decides become a nun, for some reason never trying to find out if her husband is still alive. She is overjoyed to find him still living fourteen years later, and to meet her daughter Marina. She has a beautiful voice, good posture, and straight eyebrows.