Neidersorbische Personnennamen aus Kirchbüchern des 16. bis 18. Jahrhunderts,Walter Wenzel, Domowina-Verlag, Bautzen , 2004, ISBN 3-7420-1922-8, page 426

62 entries 1591: Wulschkens Weib:
Also the spelling Wolsk->Wolschk 1610

On the previous page 425: Wolsa->as Wolschmüller

Thank you, Roger! Your contributions here are most welcomed, and will be helpful to many researchers in the years to come.