INHERITANCE WITH NO WILL

I LIVE IN NY , MY FATHER DIED AND LEFT NO WILL. I ASSIGNED MY BROTHER AS ADMINISTRATOR AND HE TOOK EVERYTHING. THERE ARE SEVERAL HOUSES THAT HAVE NO MORTGAGE THAT I KNOW I AM ENTITLED TO.  MY FATHER WAS LIVING WITH SOMEONE AND I KNOW WITHOUT A WILL THERE IS NO COMMON LAW UNLESS THEIR IS JOINT TENANCY , WHICH ISNT THE CASE, HOWEVER , ONE HOUSE IN PARTICULAR HAS BOTH MY FATHERS NAME ON THE DEED AND HERS AS HIS WIFE WITH HIS LAST NAME.  WHAT HAPPENS TO THIS HOUSE? AM I ENTITLED TO HALF. WE HAVE PROOF THEY WERE NEVER MARRIED. I ALSO NEED INFROMATION ON JOINT ACCTS. THERE ARE SEVERAL JOINT ACCTS WITH MY FATHERS NAME AND HERS. AM I ENTITLED TO HALF OF THOSE ACCTS. THERE ARE ALSO ACCTS "IN TRUST FOR' ,WHAT HAPPENS TO THOSE? MY BROTHER WAS IN A CONSPIRACY  WITH MY FATHERS GIRLFRIEND AND  THEY TOOK IT ALL. CAN I FILE CRIMINAL CHARGES AGAINS THEM? CAN I SUE THE LAWYER THAT CONDUCTED THIS ESTATE ERRONEOUSLY, KNOWING THAT THERE WERE TWO SIBLINGS?  

I hope you'll receive some helpful responses.

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Your brother most likley had a duty to split the net estate among Dads kids.

But you need to lay out on paper the precise titles and names--stuff that was JWROS passed directly to other person, stuff in trust  passes as per trust--and odds are if stuff was titled to Mary Smith and its clear that Mary Smith is also knwn as Mary Jones and no fraud is intended that Mary Smith gets it --

Its quite possible that Dad set it up so that his girl friend got it all and the NET in his pile was zippo

Dad is NOT required to leave a dime to his kids in NY!  And if he left stuff by title that would trump both a will or no will sutuation!