Emperor Hanzei Japanese emperors 2019.09.04 2019.06.27 The 18th Emperor of Japan. Emperor Hanzei inherits the Y gene The period of reign 406 – 410 Another name 反正天皇(Emperor Hanzei) 多遅比瑞歯別尊(Tajihinomizuhawakenomikoto)水歯別命(Mizuhawakenomikoto) Mausoleum of Emperor Hanzei