Thread:Tupka217/@comment-25012939-20140807144426

I'm not 100% positive, but I believe in Batman and Robin Vol 2 18 Tim, Dick, Jason, and Damian are referred to as Bruce's sons by Alfred when he mentions something like not all of his sons could make it for the portrait (referring to Tim I believe). If you have a copy, I would double-check because I'm pretty sure Bruce has adopted all of them. 