Valborg

Etymology
From the name of an eighth century German saint,, with a feast day on May 1st; from +.

Usage notes
Matronymics
 * son of Valborg: Valborgarson
 * daughter of Valborg: Valborgardóttir

Proper noun

 * 1) Walpurga (saint)
 * 1) Walpurga (saint)