Hi fobs
This is a very tough one.
The Central Bank is running a pilot programme at the moment , a Framework for secured and unsecured debt.
In most cases, the mortgage lender will hold back a bit to let the unsecured loans be discharged. But if the mortgage is unsustainable, the unsecured creditors get hung out to dry. The Irish League of Credit Unions have absented themselves from the pilot programme in protest.
If you want to do a case study format, you will get more a more comprehensive answer.