Dare Obasanjo, a Program Manager at Microsoft and son of the former President of Nigeria [1], has run into this same issue on his (ahem, non-notable) blog: "[I]t irritates me that I have a Wikipedia entry with a giant banner that claims I'm lying about my parenthood" [2]
[1] http://en.wikipedia.org/wiki/Olusegun_Obasanjo
[2] http://www.25hoursaday.com/weblog/2007/03/13/WikipediaWhosYo...