The Kanshu-ji Temple was built based on a residence of the Miyaji clan, a maternal relative of the Emperor Daigo by a vow to attain enlightenment of FUJIWARA no Inshi who was his mother, and its first chief priest was Shoshun.
勧修寺は醍醐天皇国母藤原胤子の発願により、外戚宮道氏の邸宅を伽藍として、承俊を開山として建立された。