My Dad Passed and then my Mom They had a attorney Information spoken of…

My Dad Passed and then my Mom They had a attorney Information spoken of indicated more was out there than what was left estate wise Yet attorney after several years has said nothing of this we feel that their is a living will with the attorney being trustee
How do we prove or what can be done to get these facts weither or not one exist
Is there a time litit where he can not say anything or is it lost forever
What can be done

living wills & wills there is a pending lwsuit against my mother in laws dr.

living wills & wills
there is a pending lwsuit against my mother in laws dr. she passed away nut the case still goes on. my husband and his siblings are to split the money if there is any. if he should pass away before the money is settled on am i entitled to his share or does it get divided between his siblings. he has a will and a living will and i am the agent but the will doesnt spesify this lawsuit money