In the mid 1980s as the then Chairman of Brodsworth Parish Council the then resident Mrs Sylvia Grant-Dalton offered the Hall to me for the Council. A small semi rural council with annual rate income £10k was clearly out of its depth, so I suggested she approach Doncaster MBC who couldn't take it either due to financial cuts. Luckily English Heritage stepped in and saved the day.
The last of the line was Mrs. G-Ds daughter. She married, but died without issue, so the estate is now owned by a man who has no blood link to the Grant-Dalton or to the Thellussons who built the hall What happens next is anyone's guess.