My family has cemetery plots in a city in Ohio where all my family is buried. No one has deed to plots and there are about 12 plots left the cemetery never asked for proof of ownership when we would burie some family member.know their saying we need a deed to open grave.no one knows where deed is my grand mother bought these plots years ago no one else but are family has ever been buryed there what can we do we don't want these plots just to go to waste thank you