Emperor Taizu of Song
By 960, most of the ethnic-Shatuo members had assimilated with Han Chinese. The second wife of Emperor Taizu of Song, Xiaozhang Empress Song was known to have Turkic ancestry through her maternal grandfather; the sinicized-Shatuo Emperor Gaozu of the Later Han Dynasty. Empress Guo of Song's father Guo Chong was of mixed Han and Shatuo ancestry.