For Vibrans there are 5 on Yasni with different names.
Among the most common last names on Yasni Vibrans is on position 4522.
The name Vibrans can be derived from the Slavic / Polish name "Vibranzen. There was a kind of militia / soldiers as "Vibranzen" means. This info I got from a family chronicle.
(Sent from: Vibrans, Florian)