Jokei, also known as Priest Gedatsu, was a Hosso Sect monk who lived from the end of the Heian period to the beginning of the Kamakura period and put great efforts into reviving Nanto Buddhism and religious discipline.
貞慶は解脱上人とも称する平安時代末期-鎌倉時代初期の法相宗の僧で、南都仏教と戒律の復興に努めた。