The address in English was in my previous message:
51, Marx str., Ivye, 231337 Belarus.
Both Polish and Russian should do. I can not be sure aboutEnglish.
In case you are having trouble with translation, you could send your letter in English along with an automated translations by http://translate.google.com/http://translate.google.com/
You should also try your luck with the National Archives. The records for Ivye should be kept in Hrodna archive. Please check out http://archives.gov.by/eng/index.php?id=12http://archives.gov.by/eng/index.php?id=12 for the contact information. You should be able to contact them through email.