Original: According to the Prose Edda, Odin took Loki's three children, FenrisÃ lfr, Hel and JÃ rmungandr, and tossed JÃ rmungandr into the great ocean that encircles Midgard.
Simplified: According to the myth, Odin took Loki's three children, Fenrisulfr, Hel and JÃ rmungandr. He tossed JÃ rmungandr into the ocean that surrounds Midgard.