Angrbod

''Bliss he enjoys who knows not suffering, sorrow nor anxiety, and has prosperity and happiness and a good enough house. - Anglo-Saxon runic poem, 9th century.''

Angrbod is the powerful witch of Ironwood. She is also Loki's lover, and the mother of Fenrir, Jormungand , and Hel. Her name means "the one who brings grief."

In The Book
Angrbod first appears in the book as a firebird, when she has had her son capture Loki. She places "all her resources" in Loki's hands in exchange for him rebuilding Asgard with a place for her.

In Mythology
Angrbod (Angrboða) is a giantess of jötunheim. She is the mother of Fenrir, and also of Hel and Jormungand. She lived in Ironwood, where she became Loki's consort after he left Asgard. Via Fenrir, Angrbod is the grandmother of Hati and Sköll.