[5] Some Tumeds had the surname "Yun" during China's Qing Dynasty (1644–1912), and claim even more ancient origins.

[6] The most famous Tumed with the surname "Yun" was Ulanhu (Chinese: 云泽; pinyin: Yúnzé), chairman of Inner Mongolia (1947–1966) and Vice President of China (1983–1988).

During the 1980s and 1990s, the "Yun family" was identified with the dominant "West Mongol" (Tumed) faction in the Inner Mongolian government.

According to anthropologist Uradyn Bulag,[5] One story tells that when someone went to the Inner Mongolian government building and shouted, "Lao [senior] Yun!"

"; the other half of the windows then opened.... A similar story is that there were so many Yuns seeking to attend Ulahu's funeral in Beijing that it became difficult to buy train tickets.