《辽史·本纪·卷二十七》
夏四月十六日，封高丽王王俣为三韩国公，追赠其父王为高丽国王。
夏四月丙申，封高丽王俣为三韩国公，赠其父颙为高丽国王。
The 16th day of the fourth month of the summer, King Mata of Goryeo was enfeoffed as the Duke of the Three Hans, and his father was posthumously granted the title of Goryeo King.