Tang San was a former young prodigy of the renowned Tang Sect who was ostracized and not permitted to learn Tangmen's core skills despite the fact that none of the Tangmen core disciples were able to master the core skills. Following his death he was reborn while maintaining his past memories as the son of the Tang Hao.

Spoiler

His descendants are Wutong Tang/Dong Wang, Wulin Tang, Xuanyu Tang

Soul Land 5

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After the events of Soul Land 4 Tang San chose to reincarnate with his wife Xiao Wu on the Falan Planet where humans are slaves and also known as a lower race. Armed with the knowledge of both of his past lives and the teachings of the Tang Sect he now fights for mankind while also making his way back up to where was in his previous life.