draw some attention from the Carolingian elite by this time. The reign of Sigfred had ended by 804 when another ruler, Gudfred, is mentioned in the Frankish annals. Place in early Danish history Nothing is known about Sigfred's relationship to Gudfred, who succeeded him as king of Denmark c. 804–810, or later kings such as Hemming (810–812), Harald 'Klak' Halfdansson (812-813, 819–827) and Horik I (813–854). Since the name Sigfred was borne by a nephew of Gudfred, he is often taken to have been the father of Gudfred, since children were often named after their grandfathers. The approximate dates of Sigfred's reign, and references to a King Harald who may have been either a predecessor, co-ruler or immediate successor of Sigfred, has led to speculations about a link with the legendary Swedish and Danish ruler Sigurd Hring. According to the sagas, Sigurd Hring defeated the Danish ruler Harald Wartooth at the Battle of Brávellir 2-3 generations before the first Danish conquest of England but the historicity of Hring, Wartooth and the battle are uncertain. According to the Tale of Ragnar Lodbrok saga, Sigurd Hring was the father of the legendary Viking leader Ragnar Lodbrok. Modern scholarship is in agreement that part of the genealogy of the early Viking Age kings of Denmark is of High medieval era documentation. It has been theorized that Sigfred's father was Ongendus, or Angantyr, which is problematic because there is more than half a century between them. The two kings may nevertheless have been related since a Danish prince Angantyr is known to have flourished in 811, and the name is extremely unusual. The recurrence of the names Angantyr, Sigfred, Harald and Gudfred throughout the 8th and 9th centuries suggests that the kings of the early Viking Age were mutually related. References Danish monarchs Scyldings 8th-century monarchs in Europe