Your question can best be answered by contacting a local title insurance company. The title insurance company will advise you as to whether an Affidavit of Heirship will work. The title insurance company can also review the Quit Claim Deed and tell you why it was not enough.
You may have to probate your mother's home. If so, contact your local bar association or a member of the Trust Department at your local bank for a reference for a good probate attorney in your area.