My question involves real estate located in the State of: NJ
I recently found online with the county a copy of a Quitclaim Deed filed with the statement that my mother had died in testate leaving my sister, Grantor, as Administratrix and sole heir of the Estate, signing her interest in the property over to my mother's co-owner for approximately 25% of the value of the house.
Does the statement that she is 'sole heir' legally prevent me from collecting the 25% I am entitled to? It was understood that my sister and I would split my mother's 50% after either the co-owner sold the home or passed away.

