Harald Bluetooth Gormson (, , ), was born around 935, the son of King Gorm the Old, king of Jutland (that is, peninsular Denmark) and of Thyra (also known as Thyre Danebod) a supposed daughter of Harald Klak, Jarl of Jutland, or daughter of a noblemen of [Sønderjylland who is supposed to have been kindly disposed towards Christianity. He died in 986 having ruled as King of Denmark from around 958 and king of Norway for a few years probably around 970. Some sources state that he was forcefully deposed by his son Sweyn as king.