Original sentence: After several years of cultivating a personality cult, he finally took over as emperor in 8 AD.He died in the siege.However, while he was a creative scholar and politician, he was an incompetent ruler, and his capital Chang'an was sieged in 23 AD by peasant rebels.The Xin Dynasty's sole emperor, Wang Mang (王莽) was the nephew of Grand Empress Dowager Wang Zhengjun, and he became powerful after the death of her step-grandson, Emperor Ai in 1 BC