Prince Yintang (胤禟) (1683 – 1726) was the ninth son of the Emperor Kangxi. During the struggle between the sons of Kangxi for succession, Yintang supporte his eighth brother, Yinsi. After the ascension of the Yongzheng Emperor, Yintang's fourth brother, Yintang was imprisoned and given the name Sesihei (塞思黑), meaning "pig". Yintang and Yinsi both died in prison after only a few months' imprisonment.