Proper noun
Herbster (plural Herbsters)
A surname.
There they were apprenticed to Hans Herbster, Basel's leading painter. Source: Internet
His mother was Christina Herbster, the sister of Johannes Oporinus (Herbster) the famed humanist printer. Source: Internet
Wilson, 16; North, 12. By the time Holbein began his apprenticeship under Hans Herbster in Basel, he was already steeped in the late Gothic style, with its unsparing realism and emphasis on line, which influenced him throughout his life. Source: Internet