Yoshitsugu MIYOSHI, the adopted son of Nagayoshi MIYOSHI who was in the service of Yoshiharu ASHIKAGA, 12th Shogun of the Muromachi bakufu (Japanese feudal government headed by a shogun), founded Juko-in Temple in 1566 in order to pray for the soul of his adopted father and named Shorei Sokin as kaisan (first chief priest).
室町幕府12代将軍・足利義晴に仕えた三好長慶（みよしながよし）の養子・三好義継が永禄9年（1566年）に養父の菩提を弔うために笑嶺宗訢（しょうれいそうきん）を開山として建立。