Thyra or Thyri was the wife of King Gorm the Old of Denmark, and one of the first queens of Denmark believed by scholars to be historical rather than legendary. She is presented in medieval sources as
The Jelling 1 stone, commissioned by Thyra's husband Gorm the Old to commemorate her.
The Læborg stone, likely commemorating Queen Thyra, and depicting two Thor's hammers
The Jelling 2 stone, commissioned by Harald Bluetooth in honour of his parents, Thyra and Gorm the Old.
Thyras Høj, a barrow at Jelling, traditionally identified as the grave of Queen Thyra.
Gunnhildr konungamóðir or Gunnhildr Gormsdóttir, whose name is often Anglicised as Gunnhild, is a quasi-historical figure who appears in the Icelandic Sagas, according to which she was the wife of Eri
Thyra
…agree that she and Gorm were the parents of Harald Bluetooth and likely also Canute. The Historia Norwegiæ additionally claims that they had a daughter, Gunnhild, Mother of Kings, though this is less certain. Thyra's name is attested in Old Norse as Þyri and Þyre and has been alternatively anglicised as Thorvi and Thyre…
Olav Tryggvasons saga Gunnhild C. Krohg
Haraldskær Woman in a glass covered coffin, Vejle, Denmark
Gunnhild as imagined by Christian Krohg