Tyra of Denmark, also called Tyri Haraldsdatter and Thyra (10th century – 1000) was a Danish princess and a Norwegian Viking age

Viking Age

Viking Age is the term for the period in European history, especially Northern European and Scandinavian history, spanning the late 8th to 11th centuries. Scandinavian Vikings explored Europe by its oceans and rivers through trade and warfare. The Vikings also reached Iceland, Greenland,...

 Queen consort

Queen consort

A queen consort is the wife of a reigning king. A queen consort usually shares her husband's rank and holds the feminine equivalent of the king's monarchical titles. Historically, queens consort do not share the king regnant's political and military powers. Most queens in history were queens consort...

, spouse of King Olav I of Norway.

Tyra was born to King Harald I of Denmark

Harald I of Denmark

Harald "Bluetooth" Gormsson was the son of King Gorm the Old and of Thyra Dannebod. He died in 985 or 986 having ruled as King of Denmark from around 958 and King of Norway for a few years probably around 970...

 and Queen Gyrid

Gyrid Olafsdottir of Sweden

Princess Gyrid Olafsdottir of Sweden, also called Gyrithe Olafsdottir, was a Swedish princess and a Danish Viking Age queen consort, the spouse of King Harald I of Denmark.-Biography:...

, Princess of Sweden. She was first married to the Swedish prince and throne claimant Styrbjörn Starke (Beorn the Feisty and Strong) and was as such a titular crown princess of Sweden. As a widow, she married a Polish prince. Second widowed, she married King Olav I of Norway. According to legend, Queen Tyra committed suicide by starvation after the news of her husband's death in 1000.