Thanks for the quick answer.

Here it is, I truncated the unnecessary fields:

Here is a good article about the use of LCID in a table structure like this: http://www.codeproject.com/KB/aspnet/localizationByVivekTakur.aspx
See the last Using a Database for Localization section (he named the column CultureID).

 Edit:
There is no 3rd table. The LCID came from .Net http://www.microsoft.com/globaldev/reference/lcid-all.mspx