Yes, it appears that the debts referred to in your question would be dischargeable. There would need to be other factors, not disclosed in your...

Do I have a legal obligation to probate an estate? My son passed. He has no will. He has no wife/children.

It sounds like your son's estate is an insolvent one. You are not under any legal obligation to file an application to begin probate procedures...

Any person named in the Will or a person entitled to inherit if there was no will, is entitled to notice of the filing of a Will for Probate. ...