Sif

Norse Mythology: Goddess of crops and fertility, married to Thor. At one point, Loki stole her hair and had to replace it. He went to the dwarves and had them make her a new set of hair out of gold. An interesting thing to note is that short hair was a sign of a whore or a slave.

(Nicole Cherry, A list of Norse Beings, http://www.ugcs.caltech.edu/~cherryne)