For Silva Motta there are 8 on Yasni with different names.
Among the most common last names on Yasni Silva Motta is on position 4519.
Forest or forest
(Sent from: Rolf Göbbert)
Motta is Romansch (Rhaeto-Romanic, Ladin), meaning mountain, eg MottaNalurns in Scuol, CH Scuol. They come from Airolo.
(Sent from: Michael Maly-Motta)