Heimir and Áslaug
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The daughter of the legendary heroic couple Sigurðr and Brynhildr. She was raised by Brynhildr's maternal uncle Heimir.
After the death of Áslaug's parents, her uncle Heimer feared for her life and constructed a large harp in which to hide the girl. Disguised as a poor harp player he traveled the country.
Source
H. A. Guerber. Myths of the Norsemen.