Emperor Suizei Japanese emperors 2019.09.04 2019.06.25 The second Emperor of Japan. Emperor Suizei inherits the Y gene The period of reign 581 – 549 BC Another name 綏靖天皇(Emperor Suizei) 神渟名川耳天皇(Kannunakawamiminosumeranomikoto)神沼河耳命(Kannunakawamiminomikoto)建沼河耳命(Takenunakawamiminomikoto) Mausoleum of Emperor Suizei