Hnæf: King of the Hocingas, appears in both Beowulf and the Finnsburuh Fragment
Hocingas: The Hocings are clarified as Danes in Beowulf (1090, 1158), Here-Scyldings (1069, 1108, 1154), and Healfdenes (1069). Malone has notes on them on pgs 172-173.
Helm: Helm, King of the Wulfings
Wulfingas: The Ylfingar of Norse tradition and the Wylfingas of Beowulf. Malone identifies them with the Vulgares of Paulus. (213)