As good as I know- Zuzik is a nickname for Zusia, and that was his real name! so perhaps to be correct one should write: Zusia (Zuzik) Guzner
Reuvena (Ruvi)
Should I change Zuzik's official name on the tree??? from Zuzik to Zusia? Comments?
I think it should be Zuzik (Zusia) or vice verca