[5][2] According to Peter Erasmus Müller (1818), Fornjótr could be interpreted as the "original owner" (primus occupans vel utens) of Norway.
The plant denoted by this name has not been certainly identified, but Peter Bierbaumer argued for a species of marsh-orchid (Dactylorhiza), partly on account of the supposed similarity of their tubers to hands.
[7][4]: 49–50 Þjóðólfr of Hvinir, a Norwegian skald of the late 9th–early 10th century AD cited in Ynglinga tal (29), apparently uses the kenning "son of Fornjót" as a synonym of 'fire', and another skald only known under the name Svein appears to use the kenning "ugly sons of Fornjót" to mean the 'wind'.
Thus: call it son of Fornjót, Brother of the Sea and of Fire, Scathe or Ruin or Hound or Wolf of the Wood or of the Sail or of the Rigging.Thus spake Svein in the Nordrsetu-drápa: First began to flyFornjót's sons ill-shapen.In the þulur, Fornjót is also included in a list of jötnar.
[3] In those two sources, Fornjót has three sons: Logi ('fire'), Kári ('wind'), and Hlér ('sea'), "whom we call Ægir" according to Fundinn Noregr.