Some thoughts-
You will more than likely need to hire an attorney;
Your attorney may tell you that the "Statute of Limitations" has "run"- the statute of limitations consists of a period of time during which a lawsuit can normally be filed; once the statute has "run", the time allowed for that type of action is (usually) considered to be closed; 14 years is likely too long, although you may have an opening if you just found out about the trust/ issue;
Grandmom needs to cough up a copy of the trust or other documents she has, it's unclear from your question whether parents are still around, but if so, they should be consulted as well;
If you can't get a copy of the trust/ documents, you may want to ask your attorney re: an "official" letter to the brother requesting the documents;
Your brother, if he was the successor trustee and without knowing any of the other specifics, had a fiduciary duty to all beneficiaries of the estate for fair/ impartial treatment- if there is a legal action to be taken, this seems likely to be the main contention.
Good luck-
Answered on Feb 19th, 2013 at 3:40 PM