Biography.com has a section on who Bill O'Reilly's wife is, when they got married, when they divorced and the names of their children. Wikipedia.com has similar information including a brief statement on former allegations of spousal abuse.
Information on Bill O'Reilly's wife and children include disputes about alleged spousal abuse and custody battles can be found on Gawker.com, which has various articles on these issues. Although Bill O'Reilly has said the allegations are "100 percent false," he has lost custody of his children. For more general information, Bill O'Reilly has a brief biographical sketch on his website BillOReilly.Com, much of which is written by himself.