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From Rodovid EN

Lineage	Ringslinger
Sex	Male
Full name (at birth)	Ragnar Sigurdson
Other last names	Lodbrok the Elder
Parents ♂ Sigurd Randversson (Sivardus Norvegus) [Ringslinger] b. before 714 d. 770

Notes

Not to be confused with his nephew Ragnar Lodbrok (Sigfredian, b. before 770 d. 865)

From grandparents to grandchildren