Emperor Wen was assassinated by Crown Prince Shao and Second Prince Jun in 453 after planning to punish them for witchcraft. However, they were both defeated by Third Prince Jun, who become Emperor Xiaowu. proved to be licentious and cruel, supposedly committing incest with the daughters of an uncle who had helped him gain the throne; his rivals also claimed he had incest with his mother. This led to two rebellions by the imperial clan, one of which saw him slaughter the inhabitants of Guangling. The following ballad gives an idea of those times: