A couple of versions: http://hellobrooklyn.com/politics/bill-de-blasio-born-warren-wilhelm-says-name-change-had-nothing-to-do-with-politics/
http://www.nytimes.com/2013/10/14/nyregion/from-his-fathers-decline-de-blasio-learned-what-not-to-do.html?pagewanted=all&_r=0
Thanks....I had no idea his name wasn’t de Blasio!! No wonder he is so screwed up.