He died in 666 , and Liu Qixian inherited the title .
Liu Xiangdao later served as chancellor during the reign of Emperor Taizong 's son Emperor Gaozong and was created the Duke of Guangping .
Gaozong died in 666 , and Liu Qixian inherited the title .
Liu Xiangdao later served as chancellor during the reign of Emperor Taizong 's son Emperor Gaozong and was created the Duke of Guangping .