Please check this site out type in the surname and the name of who you are looking for or just type in the surname. http://blackseagr.org/index.phphttp://blackseagr.org/index.php
Michael Braun and Maximil (lian) Braun is shown. It is the EWZ record probably for Michael.
You can also check this site out. It is also searchable by surname or village name. The site is called Odessa Pixel http://www.odessa3.org/search.htmlhttp://www.odessa3.org/search.html There is 13 different things to check out in the Data Category box.
You should also check out Germans from Russia Heritage Society their site is http://grhs.org/http://grhs.org/ Look for a village coordinator for the villages your ancestors lived at in Russia. If you find a village coordinator for any of your villages please contact that person as they may be of lots of help.
What religion were your ancestors??? If Lutheran you should be able to get all the church records from 1833-1885. But if Catholic you won't find much of anything.
Take care and good luck with your research and Merry Christmas and Happy New Year also.