In Norse mythology, Thiazi was a storm giant who kidnapped Idun, the goddess of youth. Without her apples, the Aesir began to grow very old. Loki intervened by changing her into a nut and rescuing her. In Jotunheim, he lived in a palace called Thrymheim.
... which deals with his life up to the time of his settlement at Königsberg.
See Quabicker, Karl Rosenkranz (1899), and J Hutchison Stirling, The Secret of Hegel, part ...