 After petitioning King George III in 1790, she eventually (in 1806) was able to end the abeyance to the Barony of de Ros, the most ancient baronial title in England, in her favor.This was accomplished despite her being determined only one of the three co-heirs to the barony with only a twenty-five percent interest whereas another claimant, Sir Henry Hunloke, Bt., had a fifty percent interest and was the heir general of the elder of the two sisters from whom the claims were derived.No clear explanation for the award was given by the House of Lords except an inference that Charlotte came from (or at least had married into) a better family.