Feng Dao
In 938, when Shi was offering grand honorable titles to Emperor Taizong (who might have changed the name of his state from Khitan to Liao by that point) and Emperor Taizong's mother Empress Dowager Shulü, he sent Feng Dao and Liu to Khitan to do so, with Feng in charge of offering the honors to Empress Dowager Shulü and Liu in charge of offering the honors to Emperor Taizong. Upon their return, Liu was given the titles of "Taizi Taibao" () and "Zuo Pushe" (), and created the Duke of Qiao. (His "Taizi Taibao" title was shortly after changed to "Taizi Taifu" ()