1) German surname 
Fürst (De-Fürst.ogg, female form Fürstin, plural Fürsten; from Old High German furisto `der Erste`, English `the first`, a translation of the Latin princeps, were since the medieval period members of the highest nobility who ruled over the Holy Roman Empire and later its former territories, below the ruling Kaiser (emperor) or König (king...
On the label may refer to the owner if he is a Prince.