I live in CA and my father passed in PA with a will 6 months ago. He named his girlfriend executor. The will claims she inherits 50% of his assets, my sister 25% and myself 25%. His assests aren't specifically mentioned. She has hired a lawyer and is being dishonest about my father's possessions. We requested a written appraisal of his possessions and she provided an incomplete list with 10 items and is denying us 5 out of the 10 items. My father recently inherited approx $400,000 prior to his death from my grandfather. His girlfriend claims my father had no money when he died and that all his possesssions were gifted to her or joint when he died. He died of a sudden heart attack. I even have video documentation of his property prior to her. What do we do?