Hello , I' m Laura Stella and I can tell you to know more about the meaning of the Surname Vlach that you can read this web pages :
http://en.wikipedia.org/wiki/Vlachhttp://en.wikipedia.org/wiki/History_of_the_term_Vlachhttp://www.friesian.com/http://www.eliznik.org.uk/RomaniaHistory/vlach-south.htmMy Geat grand mother was : Maria Vlach she was from Castua Istria and she married Giovanni or Jan De Franza , did you ever hear about her , thank you a lot and I wish you a good day and I hope I help you . sincerelly , Laura Stella