Yes, they can. In that case, we'll ask you Social Security Numbers and birth certificates.
One more thing. What is the best way to check my Pension Benefit Guaranty Corporation?
you may be able to use the PBGC's Find an Unclaimed Pension tool to find out if you have unclaimed benefits.
I'm hoping to find out as well about the SSDI benefits. And how do you assess an adult with a disability?