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King Zhou of Shang (reigned 1154 to 1122 BC), the last king of the Shang dynasty, had three uncles advising him and his administration. The king's uncles were Prince Bi Gan, Prince Jizi, and Prince Weizi. Together the three princes were known as "The Three Kind-Hearted Men of Shang" in the kingdom. Prince Bi Gan was the son of King Wen Ding; he was the brother of King Zhou's father and, thus, was King Zhou's uncle, and served as the king's chancellor.