King Wen of Zhou
Yuxiong (, reigned 11th century BC), also known as Yuzi or Master Yu (), was an early ruler of the ancient Chinese state that was later known as Chu. He was an ally and teacher of King Wen of Zhou (reigned 1099–1050 BC), the first king of the Zhou dynasty. In the Tsinghua Bamboo Slips his name is written as Xuexiong ().