How was Fridlevus II related to Halfdan?
Halfdan Halfdan (Old Norse: "Halfdan" , Old English: "Healfdene" , Medieval , Proto-Norse: "*Halbadaniz", "half Dane") was a late 5th and early 6th century legendary Danish king of the Scylding (Skjöldung) lineage, the son of king named Fróði in many accounts, noted mainly as the father to the two kings who succeeded him in the rule of Denmark, kings named Hroðgar and Halga in the Old English poem "Beowulf" and named Hróar and Helgi in Old Norse accounts.
Inge the Younger Inge the Younger was King of Sweden in c. 1110–c. 1125 and the son of king Halsten and he was probably Halsten's youngest son. According to unreliable traditions Inge would have ruled together with his brother Philip Halstensson after the death of their uncle Inge the Elder: In English literature both have also been called "Ingold".