Ivar the Boneless was the brother of which 9th century Viking chieftain?
Ubba Ubba, also known as Hubba, Ubbe, and Ubbi, was a mid-ninth-century Viking chieftain and one of the commanders of the Great Army, a coalition of Norse warriors that in AD 865 invaded the Anglo-Saxon kingdoms of Northumbria, Mercia, East Anglia and Wessex.
Hrafnsmál Hrafnsmál (Old Norse "raven song") is a fragmentary skaldic poem generally accepted as being written by the 9th-century Norwegian skald Þorbjörn Hornklofi. "Hrafnsmál" largely consists of a conversation between an unnamed valkyrie and a raven; the two discuss the life and martial deeds of Harald Fairhair. Due to this, the poem is sometimes referred to as Haraldskvæði. The meter of the poem is dominantly "Málaháttr", while smaller portions are in Ljóðaháttr and Fornyrðislag.