Thrud

In Norse Mythology, Thrud is a daughter of Thor. The dwarf Alvis wanted to marry her but Thor tricked him into being above ground when the sun came up, turning him into stone.

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