Complex sentence: Liu Yuan, the founder of one of the Wu Hu Sixteen Kingdoms, Han Zhao, who claimed to be a legitimate successor of the Han Dynasty, gave Liu Shan the posthumous name Emperor Xiaohuai (孝懷皇帝; literally "the filial and kind emperor").
Split into simpler sentences: Liu Yuan, the founder of Han Zhao, one of the states in the Sixteen Kingdoms, claimed to be a legitimate successor of the Han Dynasty. He gave Liu Shan the posthumous name "Emperor Xiaohuai" (孝懷皇帝; literally: "the filial and kind emperor").