- Reign: 131-192AD
- Period: Legendery Period
- Family: Emperor Keiko (father) Yamato Dake (brother) Emperor Chuai (nephew)
- Burial Place: –
- Order of Succession: Predecessor Emperor Keiko * Successor Emperor Chuai
Emperor Seimu (成務天皇) was the thirteenth Emperor of Japan, accredited with being the first Emperor to appoint provincial governors and district officials.
He had a son of his own who died young, and so he made his nephew Emperor Chuai crown-prince in the 48th year of his reign.
1. Martin, P. (1997) ”The Chrysanthemum Throne”. Gloucestershire: Sutton Publishing Limited.
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