Most likely not. If any is private, it wouldn’t be forgiven. There are different rules for loans taken before 2007, but even those just changed with the REPAYE program. It’s impossible to know from the information given, the loans may have consolidated, etc. She’s a long way, 20 or 25 years, from having the loans forgiven the ‘taxable’ way as she’s been in deferral, and one has to make payments for the required number of years before forgiveness.