Wiki information Yishiha:

Man, Person

Yishiha was a eunuch in the service of the Ming Dynasty emperors of China who carried out several expeditions down the Sungari and Amur Rivers, and is credited with the construction of the only two Ming Dynasty Buddhist temples ever built on the...

Yongning Temple Stele

The Yongning Temple Stele is a Ming Dynasty stele with a trilingual inscription that was erected in 1413 to commemorate the founding of the Yongning Temple in the Nurgan outpost, near the mouth of the Amur River, by the eunuch Yishiha. The location...