Vor

In Norse Mythology, Vor is a goddess whose name means "vow". Nothing can be hidden from her because she is so wise. She is considered by some to be a goddess of marriage and contracts. She is probably an aspect of Frigg.

Source: Nicole Cherry, A list of Norse Beings, originally at www.ugcs.caltech.edu/~cherryne.
Copy still available at www.angelfire.com/wy/wyrd/list.html