KeyBank NA Student Loan Complaint

KeyBank NA Student loan department,

Non-federal student loan Dealing with my lender or servicer Don't agree with fees charged Ohio

I co-signed on a loan for my step-daughter through key bank. Key bank is now charging me for - large loans which are now in default. I did not take out - large loans through key bank. I have asked them for both of the promissory notes multiple times. They will only send -. I also believe that I am paying - of the loans through -. - advised me that they currently hold a loan that was originated through Key Bank. I believe that I am being double charged for - of the loans and the other loan does not exist.