The northern Wu eventually became the more sinicized of the two states. The royal family of Wu claimed descent from King Wen of Zhou as the founder of their dynasty. King Fuchai of Wu made every effort to assert this claim and was the source of much contention among his contemporaries. Some scholars believe the Wu royalty may have been Chinese and ethnically distinct from the people they ruled. The recorded history of Wu began with King Shoumeng (r. 585-561 BC). He was succeeded in succession by his sons King Zhufan (r. 560-548 BC), King Yuji (r. 547-531 BC), and King Yumei (r. 530-527 BC). The brothers all agreed to exclude their sons from the line of succession and to eventually pass the throne to their youngest brother, Prince Jizha, but when Yumei died, a succession crisis erupted which saw his son King Liao taking the throne. Not much is known about their reigns as Yue history largely concentrates on the last two Wu kings, Helü of Wu, who killed his cousin Liao, and his son Fuchai of Wu.