Gyrid Olafsdottir of Sweden, also called Gyritha[1] or perhaps Gunnhild (10th-century), according to legends was a Swedish princess and a Danish queen consort as the spouse of King Harald Bluetooth of Denmark.
In the sagas, Gyrid was the daughter of King Olof Björnsson of Sweden and Queen Ingeborg Thrandsdotter.
According to several sagas, her brother, Prince Styrbjörn Starke, accompanied her to Denmark in order to arrange her marriage to Harald Bluetooth.
Styrbjörn Starke in turn married Tyra (Tyri Haraldsdatter), who was a daughter of Harald Bluetooth.
The Danish historians Arild Huitfeldt (1603)[1] and Jakob Langebek (1772)[2] record Gyrid/Gyritha as one of the two wives of Harald Bluetooth - the other being Thora (Tófa ?