Although Sadaharu in his deathbed tried to have his younger brother Hideharu KUWAYAMA adopted as his son, this was not accepted, resulting in Gose Domain being closed and becoming shogunate property.
貞晴は弟の桑山栄晴を末期養子として継がせようとしたが認められず、ここに御所藩は廃藩、その所領は天領となった。