Agnes Bernauer was probably born around 1410; nothing is known of her childhood and youth. She is traditionally considered to have been the daughter of the Augsburg barber surgeon Kaspar Bernauer, whose existence has, however, not yet been proved. Since Ernest's son Albert participated in a tournament in Augsburg in February 1428, it is generally assumed that the latter met Agnes on that occasion and shortly thereafter brought her to Munich. In a Munich tax roll dated 1428, a “pernawin” is listed as a member of his royal household, which is probably a reference to Agnes Bernauer.