For Feser-Decker there are 6 on Yasni with different names.
Among the most common last names on Yasni Feser-Decker is on position 4521.
Probably from Felser, the derived Steinhauer.
(Sent from Yasni user)
Decker is a German occupational name! Derivation of Roofer Decker is a German occupational name! Derivation of Roofer