Usurpation of Qi by Tian the name "Qi" for its realm after the usurpation. For historiographical purposes, pre-usurpation Qi is referred to as "Jiang Qi" (姜齊), and post-usurpation Qi is referred to as "Tian Qi" (田齊). Qi was originally ruled by the Jiang clan, the descendants of Jiang Ziya. In 672 BCE, Prince Chen Wan of the State of Chen fled to Qi following political unrest in his native state and became the progenitor of the Chen clan of Qi, which was later known as Tian. By 545 BCE, the Tian clan was one of the strongest families in Qi. Tian Huanzi, in conjunction with
Marquis of Extended Grace he could no longer carry out his duties. The government abolished his title as Marquis and paid him a stipend instead. In 1933, the government totally terminated all of his duties in carrying out ceremonies at the Ming tombs and totally ended his position. After that, nothing is known about what happened to Zhu Yuxun. The following is a list of title holders: Adoptions occurred between related family members. Marquis of Extended Grace Marquis of Extended Grace was a title held by a descendant of the imperial family of the Ming dynasty (1368–1644) during the subsequent Qing dynasty (1644–1912). Holders