Bruce Wayne has been Dick Grayson's guardian for a a few years now...but it turns out that Dick has some living relatives!
Now, I know that you're thinking that George and Clara are imposters, or some other DC trick.
NO!! They're real, all right...but not necessarily good:
We end up back in court, where the judge is none to pleased with the non-flying Graysons:
By the way--I know it's 70 years and many reboots later...But George and Clara are still out there!! Dick Grayson has living relatives who are total scumballs!! There's gotta be a story in there somewhere!
From Batman #20 (1943), as reprinted in Batman Family #10 (1977).