Through this treaty, which was concluded in Roskilde on 8 March 1658 (NS), the eastern Danish provinces of Scania, Halland, Blekinge and Bornholm were ceded to Sweden.

He was a popular and respected figure among the nobility and was held in high regard by the King, Frederick III, who had ascended the throne in 1648.

She fell in love with Kai Lykke, a young military officer and womanizer from Gisselfeldt, and called for divorce in 1654.

This was a hard blow to his esteem and several times he had to swallow the indignity of being refused lodging when calling on castles and manor houses around the country.

At the signing of the treaty, Gersdorff is reported to have exclaimed: If only I were unable to write, then I could never be accused of abandon and manslaughter for the many thousands of souls who have now been left behind in the bloody hands of the Swede.