Many people surnamed Tong trace their roots to the northeast.
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culture
佟 is used today only as a surname. It is well known as a Manchu clan name; 佟佳 was a powerful family that produced empresses during the Qing dynasty, and many people surnamed 佟 trace back to northeastern China.
The standing-person radical, the left-side form of 人. As with many surname characters, the person radical signals a word about people; it groups 佟 with name and people characters such as 何 and 你.