Complex sentence: However, a dispute took place soon after the death of their ruler, Nimi, in 53 BCE; the Wusun were divided into two kingdoms, under a little kunmi and greater kunmi, both of whom recognised Chinese supremacy and remained faithful vassals.
Split into simpler sentences: However, a dispute took place soon after the death of their ruler, Nimi, in 53 BCE. The Wusun were divided into two kingdoms, under a little kunmi and greater kunmi, both of whom recognised Chinese supremacy and remained faithful vassals.