Hi, thank you very much for your kind reply. You are absolutely right about my Jewish origin. In the meanwhile I have discovered a "Ney" cousin who lives in Budapest and I went to see him. He helped me with a few names, but still I need to work on our connection and to find the names and datas of other family members.
If there is a way to do it, if you are interested I would be happy to send you a pdf file with the Ney descendants.