Hi Laura, thanks for your post. You can address to me and I will help you to obtain information or at least help you to clarify your situation. There is significant number of people who received my help and consultation starting from 2008. You can address here in forum or via my email which is listed in my profile.
Villages you mention are located in former Hungarian Ung county, now these are suburbs of Uzhgorod or nearby villages.
Gereny is modern Horyany, formerly a village, now suburb.
Ungdarocs is Dravtsi, formerly a village, now suburb.
And Felsodominya is village Onokivtsi adjoining the Uzhgorod.
About your inquiry, you mention you have more details, that would be helpful.
Please check your mail for my questions.