Harald "Bluetooth" Gormsson was a king of Denmark and Norway.
Ragnar Lothbrok or Lodbrok is a legendary Viking hero, as well as a legendary Danish and Swedish king. He is known from Old Norse poetry of the Viking Age, Icelandic sagas, and near-contemporary chronicles. According to the traditional literature, Ragnar Lothbrok distinguished himself by conducting many raids against the British Isles and the Holy Roman Empire during the 9th century. He also appears in Norse legends, and according to the legendary sagas Ragnarssona þáttr and Sögubrot af nokkrum fornkonungum, Ragnar Lodbrok's father was the legendary king of the Swedes, Sigurd Ring.
Saxo Grammaticus, also known as Saxo cognomine Longus, was a Danish historian, theologian and author. He is thought to have been a clerk or secretary to Absalon, Archbishop of Lund, the main advisor to Valdemar I of Denmark. He is the author of the Gesta Danorum, the first full history of Denmark, from which the legend of Amleth would come to inspire the story of Hamlet by Shakespeare.
Sigurd Ring was a legendary king of the Swedes mentioned in many old Scandinavian sagas. According to these sources he was granted rulership over Sweden as a vassal king under his uncle Harald Wartooth. Later he would take up arms against his uncle Harald in a bid to overthrow him and take the crown of Denmark, a conflict which Sigurd eventually won after the legendary Battle of the Brávellir, where it is said that Odin himself intervened and killed Harald. In the Sagas Sigurd is also known for being the father of the Norse Viking hero and legendary king of Denmark and Sweden, Ragnar Lodbrok. According to Bósa saga ok Herrauds, there was once a saga on Sigurd Ring, but this saga is now lost.
Björn Ironside was a Norse Viking chief and legendary king of Sweden, who appears in Norse legends. According to the 12th- and 13th-century Scandinavian histories, he was the son of the notorious and historically dubious Viking king Ragnar Lothbrok. He lived in the 9th century, being securely dated between 855 and 858. Björn Ironside is said to have been the first ruler of the Swedish Munsö dynasty. In the early 18th century, a barrow on the island of Munsö was claimed by antiquarians to be Björn Järnsidas hög or Björn Ironside's barrow.
Styrbjörn the Strong according to late Norse sagas was a son of the Swedish king Olof, and a nephew of Olof's co-ruler and successor Eric the Victorious, who defeated and killed Styrbjörn at the Battle of Fyrisvellir. As with many figures in the sagas, doubts have been cast on his existence, but he is mentioned in a roughly contemporaneous skaldic poem about the battle. According to legend, his original name was Björn, and Styr-, which was added when he had grown up, was an epithet meaning that he was restless, controversially forceful and violent.
Thorgil Sprakling was a Danish chieftain (stormand). His grandsons became kings of Denmark and England.
Magnus the Strong was a Danish duke who ruled Gothenland in southern Sweden from the 1120s to c. 1132. It is disputed whether he was elected king by the Swedes, but he is nevertheless sometimes found in the modern list of Swedish monarchs as Magnus I. Snorri Sturlason gives him the epithet Magnus the Strong.
Palnatoke or Palnatoki, sometimes written Palna-Toki or Palna Toki, was a legendary Danish hero and chieftain of the island of Fyn. According to the Jómsvíkinga saga, Palnatoki founded the brotherhood of Jomsvikings and established its laws.
Heoroweard is a character who appears in Beowulf and also in Norse legends, where he is named Hjörvarðr or Hiartuar. If he existed in real life, his name would have been Proto-Norse *Heruwarduz.
Eric Håkonsson was Earl of Lade, Governor of Norway and Earl of Northumbria. He was the son of Earl Hákon Sigurðarson and brother of the legendary Aud Haakonsdottir of Lade. He participated in the Battle of Hjörungavágr, the Battle of Svolder and the conquest of England by King Canute the Great.
Glæsisvellir was a location in Jotunheim in Norse mythology. It is mentioned in sources, such as Bósa saga ok Herrauds and Hervarar saga.
Ulf was a Danish earl (jarl) and regent of Denmark. Ulf was the son of Thorgil Sprakling and the father of King Sweyn II of Denmark and thus the progenitor of the House of Estridsen, which would rule Denmark from 1047 to 1375, which was also sometimes, specially in Swedish sources, referred to as the Ulfinger dynasty to honor him.
The Battle of Helgeå, or Battle of the Holy River, was a naval engagement which took place in 1026 between joint Danish and English forces and a combined Norwegian and Swedish force, at the estuary of a river called Helge in Sweden.
Magnus II; Swedish: Magnus Henriksson was a Danish lord and king of Sweden between 1160 and 1161. He is often seen by posterity as a usurper.
Gunnhildr Sveinsdóttir or Gunnhildr Haraldsdóttir, Guda or Gyda was, according to the traditional view, a queen consort of King Anund Jacob of Sweden and of king Sveinn II of Denmark. However, the sources are so vague that several modern historians maintain that there were actually two queens of that name, of Sweden and Denmark respectively. She is sometimes called Gude or Gyridje, but this is probably because of confusion with her daughter, Gyda, who is also known under her mother's name Gunnhildr.
Boedil (Bodil) Thurgotsdatter was a Danish queen, queen consort of King Eric I of Denmark.
Horik II, also known as Hårik or, in late sources, Erik Barn, was King of the Danes from the fall of Horik I in 854 to an unknown date between 864 and 873. During his reign the Danish kingdom showed tendencies of breaking up. After his demise under unknown circumstances, Denmark entered a long period of obscurity, until the rise of the Jelling dynasty in the 10th century.
According to legend, Lagertha was a Viking shield-maiden and ruler from what is now Norway, and the onetime wife of the famous Viking Ragnar Lodbrok. Her tale was recorded by the chronicler Saxo in the 12th century. According to modern scholarship, it is likely that Lagertha was not a historical figure, but a reflection of tales about Viking warrior women or about the Norse deity Thorgerd.
John, who died between 1150 and 1153, was the eldest son of King Sverker I of Sweden of Sweden and his queen Ulvhild Håkansdotter. He had a role in the outbreak of a war between Sweden and Denmark in the 1150s.
