 In 1725 the Qing Yongzheng Emperor bestowed the hereditary title of Marquis on a descendant of the Ming dynasty Imperial family , Zhu <unk> ( <unk> ) , who received a salary from the Qing government and whose duty was to perform rituals at the Ming tombs , and was also inducted the Chinese Plain White Banner in the Eight Banners . Later the Qianlong Emperor bestowed the title Marquis of Extended Grace posthumously on Zhu <unk> in 1750 , and the title passed on through twelve generations of Ming descendants until the end of the Qing dynasty in 1912 . The last Marquis of Extended <unk> was Zhu <unk> ( <unk> ) . 
