Here is another Dmitry Medvedev of W.W.Two fame.
http://en.wikipedia.org/wiki/Dmitry_Nikolaevich_Medvedev

Jewish Russian Telegraph
http://www.jrtelegraph.com/2008/02/in-search-of-me.html

In Search of Medvedev's Jewish Roots
"We are categorically against him because he is an ethnic Jew and does not conceal his sympathies toward Judaism," said Bondarik, leader of the St. Petersburg branch of the Russian Party, an unregistered nationalist organization."

Rumors that Putin's successor is Jewish has community worried
http://www.haaretz.com/hasen/spages/957003.html

Jewish Roots Haunt Putin's Heir
http://www.islamonline.net/servlet/Satellite?c=Article_C&cid=1203757439728&pagename=Zone-English-News/NWELayout

Is Dmitry Medvedev really Jewish Zionist?
http://www.pcplanets.com/videoyoutube-Is-Dmitry-Medvedev-really-Jewish-Zionist-.-ryMAQLyFNs.shtml

Dmitry Medvedev, President Putin's Favored Successor, Makes Hanukkah Visit to Moscow Jewish Center
http://www.fjc.ru/news/newsArticle.asp?AID=608642

Putin's successor - Dmitry Medvedev - is a jew
Quote
His mother's maiden name is no where to be found on the net. Although there's a strong suspicion she is jewess.

His wife's maiden name is 'Linnik'. This speaks for itself.

Simply Jews
http://simplyjews.blogspot.com/2007/12/medvedev-candidacy-and-russian-black.html
" It couldn't be that important who is nominated by the United Russia party, when the secret plans of Kremlin nurture the idea of the "Chief Prime Minister" or, in other words, Putin. ...

To start with, we have to say a few words about the candidate's CV, but in Russia it is considered a sin to badmouth these people. Nerd, in short. We cannot say anything bad about his Jewish mother, Yulia Benyaminovna, a good woman, apparently, only her nationality is a matter of public knowledge. For example, nobody aside of closest people knew about Mr Blank's (nickname Lenin) mother, Mr Dzhugashvili's (nickname Stalin) father, Mr Lieberman's (nickname Andropov) mother. And 99.9% of the general population and 90% of the world's elite didn't even suspect their true nationality. Which means that these people had their reasons to hide their roots. "Russia, you see, they wouldn't get it." And this during the totalitarian times.

And now, after a strange "election" a few strange "parties" get together and nominate an apparently good person who doesn't have any suitable background and just pushed papers all his life. A typical nerd boy and a son of Yulia Benyaminovna to boot, in other words the most Halachic Jew. Not just a potential repatriate to Israel, but one whose genealogy is above suspicion and guarantees him a very good reception in his historic motherland.

I could go on with the translation, but the above is enough to get the drift and, more important, the tone of this quite poisonous piece. Just to get the full measure of hypocrisy, the author (or the editor) put a footnote addressing the potential commentators of the article:

We request that readers be as proper as possible when discussing the article. Jews are not guilty that Medvedev was nominated. Comments that include insulting and provocative statements will not be posted."

OK folks. Why is it so hard to get a straight answer? I believe that is because he is an ethnic jew. I researched this subject a while ago and came to the same conclusion. Oddly enough, info that was available on the internet about his mother is no longer there.