Emperor Kazan
…Before his ascension to the Chrysanthemum Throne, his personal name (imina) was Morosada-shinnō (師貞親王). Morasada was the eldest son of Emperor Reizei. The prince's mother was Fujiwara no Kaneko/Kaishi (藤原懐子), who was a daughter of sesshō Fujiwara no Koretada. Morasada was also the brother of Emperor…