Jalk. A name of Odin.
Jarnsaxa. One of Heimdal’s nine giant mothers.
Jarnved. The same as Ironwood.
Jarnvidjes. The giantesses dwelling in Ironwood.
Jord. Wife of Odin, mother of Thor.
Jormungand. The Midgard-serpent.
Jormunrek. King of Goths, marries Svanhild.
Joruvold. The country where Aurvang is situated. Thence come several dwarfs.
Jotunheim. The home of the giants.
Kerlaugs. The rivers that Thor every day must cross.