Borjigitna Wooden Bell (1609? - 1674), The daughter of Eqigenoyan, the king of Abagai County in Mongolia. In 1635, Na Muzhong remarried Huang Taiji. The following year, Huang Taiji proclaimed himself emperor, and Lina Muzhong became the noble concubine of the West Palace, living in Linzhi Palace, under Concubine Chen of the East Palace. In the same year when Concubine Feng Chen was born, Princess Gu Lun, the eleventh daughter of the emperor, was married to Garma Sonomu. In 1641, the eleventh son of the emperor, Bomubogor (Prince Xiang), was born. In 1652 (the ninth year of Shunzhi in the Qing Dynasty), he was given the title "Yijing". He died in 1674 (the thirteenth year of Emperor Kangxi's reign in the Qing Dynasty) at the age of about 66. Known in history as "Yijing's Great Imperial Concubine".