The Probate Court may oversee the division of property of someone who has died. This property is called a decedent's estate.The process of claiming a bank account after death varies based on a number of factors. Here's how to claim a deceased person's bank accounts. Pay bills, transfer money, pay people, monitor your account activities and more from anywhere, anytime. Become A Member Find a Location Appointments. The place to file an ancillary probate is quite clear. The ancillary probate would be filed in the county where real property is located.