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In the 13th century B.C., the state of Zhou (which will later become the Zhou Dynasty) was ruled by Tai Wang (King Tai of Zhou). He had three sons and his surname was originally Ji (姬). Taibo and his brother Zhongyong voluntarily left Zhou with a group of followers and headed southeast where they established the state of Wu. Taibo and Zhongyong's descendants eventually adopted Wu (吳) as their surname. Therefore, the last names Wu (吳) and Ji (姬) are historically related.

“吴”来源于“姬”，传说中的周太王后裔的姓氏。周太王的两个儿子带着一帮人自愿离开了周，往东南去了。随后，他们在那里建立了吴王朝。 他们的后裔最后把自己的姓氏改为吴。 因此，“吴” 姓和 “姬” 姓都是相互有关联的。