For Silva-Cuellar there are 2 on Yasni with different names.
Among the most common last names on Yasni Silva-Cuellar is on position 4525.
Forest or forest
(Sent from: Rolf Göbbert)
It means: "a man who wears high collar" due to the fact that in the past they were personal guards for the Pope and their uniforms had high collars.
(Sent from Yasni user)