One of the Marquess of Shen’s daughters married the Zhou King You. As Queen Shen, she gave birth to Crown PrinceYijiu, but another consort named Bao Si persuaded the king to banish the queen and favor her son Bofu over Yijiu. Furious, the Marquess of Shen allied with the Zeng and Quanrongbarbarians to attack the Zhou capital Haojing. King You lit beacons to summon his nobles, but none came and he was killed at the foot of Mount Li near modern-day Xi'an. Thereafter, the Marquesses of Shen, Zeng, and Xu enthroned Yijiu as King Ping of Zhou in Shen. This marked the end of the Western Zhou and the beginning of the Eastern.