Emperor Seinei was the 22nd emperor of Japan, according to the traditional order of succession.
No firm dates can be assigned to this emperor's life or reign, but he is conventionally considered to have reigned from 480 to 484. Wikipedia
Born: 444 AD
Died: February 27, 484 AD (age 40 years), Sakurai, Nara, Japan
Great-grandparents: Emperor Nintoku, Wakanuke-Futamata no Miko, and Princess Iwa
Parents: Yūryaku and Katsuragi no Karahime
Grandparents: Ingyō and Oshisaka no Ōnakatsuhime