"-Sinjēbīk xāgān: “Sinjēbīk Xāgān” Markwart identified him as Istämi Xāgān, (Chinese) sik-tiem-mit, (Arabic) sinjibū (Markwart & Monchi-Zadeh 1990; 167). He was the Xāgān of the Western Turks, contemporary of King Husraw I (Nyberg 1974; 176: Utas 1979; 117)"