# Ōishi Sadahisa

> retainer of the Ogigayatsu-Uesugi branch of the Uesugi, and the builder of Takiyama Castle

**Wikidata**: [Q11438189](https://www.wikidata.org/wiki/Q11438189)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ōishi_Sadahisa)  
**Source**: https://4ort.xyz/entity/-ishi-sadahisa