Converting special charactes such as ü and à back to their original, latin alphbet counterparts in C#

Question

I have been given an export from a MySQL database that seems to have had it\'s encoding muddled somewhat over time and contains a mix of HTML char codes such as

Answer 1

Here you can find a completer list:

http://bueltge.de/wp-content/download/wk/utf-8_kodierungen.pdf