(An) The Alrunes were the lares or penates of the ancient Germans. An Alruna-wife was the household goddess of a German family. An Alruna-maiden is a household maiden goddess.
“She (Hypatia) looked as fair as the sun, and talked like an Alruna-wife.” —Kingsley: Hypatia , chap. xii.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894