Crimean Tatar extraction, but may have actually been born in the Uzbek SSR 3 years earlier, before being sneaked across the border (or multiple borders, since Turkey doesn't share a border with Uzbekistan) by Turks who saw his basketball potential. If true, then his real name is Arsen Ilyasov. This should warm the heart of any birthers who are still lurking around out there:

http://www.hurriyetdailynews.com/default.aspx?pageid=438&n=ulker-implicated-in-ilyasova-scandal-2003-06-13

http://www.rferl.org/content/ilyasova-ilyasov-a-basketball-player-from-turkey-uzbekistan/24644497.html