《资治通鉴·唐纪·唐纪六十八》
夏季，四月，唐懿宗立皇子李保为吉王，李杰为寿王，李倚为睦王。
夏，四月，立皇子保为吉王，杰为寿王，倚为睦王。
In the summer of April, Emperor Yizong of Tang made his second son Li Bao as King of Ji, Li Jie as King of Shou, and Li Yi as King of Mu.