 The "Xue" 薛 appeared earlier as "Xinli" 薪犁 in Sima Qian's Records of the Grand Historian, vol.110 but were not referred to again until the 7th century.Golden (2011) proposed that 薛 Xue's Old Turkic form "Sir" derived from Sanskrit "Śrī" "fortunate, auspicious" "Yantuo" 延陀 was identified with "Tarduš", one of two divisions, besides "Töliš", of the short-lived Xueyantuo Qaghanate, by Western Orientalists (like Vilhelm Thomsen) who considered "Töliš" and "Tarduš" to be tribal names.