For Silva-Ferreira there are 7 on Yasni with different names.
Among the most common last names on Yasni Silva-Ferreira is on position 4520.
Forest or forest
(Sent from: Rolf Göbbert)
Ferreira is a variation of Ferreiro, the latter "Smith" means in Portuguese. As in German is also the name of Smith in the course of time has changed, such as Schmidt, Schmitz, Schmitt, etc.
(Sent from: C. Ferreira)