The Emperor Suko of Japan reference article from the English Wikipedia on 24-Jul-2004
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Emperor Suko of Japan

Sponsorship the way you would do it

Emperor Suko (崇光天皇) was the third of the Northern Ashikaga Pretenders and is not counted as emperor in the traditional list of rulers.

Lived: 1334-1398
Ruled: 1348-1351

Preceded by:
Komyo
Northern Emperors Succeeded by:
Go-Kogon