Batman : Batman and son
Grant Morrison, Andy Kubert, John Van Fleet et Jesse Delperdang2007

When his parents were murdered, billionaire Bruce Wayne vowed to dedicate his life to avenging them. Now he is Gotham City's greatest protector...he is the Batman.But Batman has spent so long avenging crime that he has lost sight of his life as Bruce Wayne. However, his initial plan, a trip to Europe, is cut short by the arrival of hundreds of ninja Man-Bats, not to mention old flame Talia, daughter of his nemesis Ra's Al Ghul...and a boy she claims is his son!
(Batman #655–658)