From the surname "_", take the country name as the surname. According to Tongzhi. Brief introduction of clan. Taking the country as the surname, the Zhou Dynasty had Luo, which was first sealed in Yicheng (Yicheng County, Hubei Province) and moved to Zhijiang. It was destroyed by Chu in the Spring and Autumn Period. Living in Changsha on weekends, Chinese people take Luo as their surname. 2._ According to legend, it is a descendant of the ancient emperor Zhu Rong. 3. In the Tang Dynasty, the west Turkic Khan Hutro entered China, took Hutro as his surname, and later changed his surname to Luo. 4._ changed from the compound surname of Xianbei nationality. According to Shu Wei and Guan Shi, in the Northern and Southern Dynasties, the Northern Wei Dynasty had the surname of "Broken Duoluo". After Emperor Xiaowen of Wei moved to Luoyang, he settled in the Central Plains. In the Han Dynasty, Luo was the surname. 5. In the Qing Dynasty, the royal family Ai Xinjue Roche changed his surname to "Luo", and his descendants were also called Roche. Noble families live in Zhang Yu County (Nanchang, Jiangxi). 6. According to Biography of Nanman in the Later Han Dynasty and Huayang Guozhi, the surname of "Ban _ 7" is Roche.

Migration distribution

The population of contemporary Luo surname has reached more than 654.38+million, which is the top 20 surname in China, accounting for about 0.86% of the national population. In the 600 years since the Ming Dynasty, the population of Luo has soared from 700,000 to more than 65,438+million, an increase of 65,438 +05 times. The growth rate of Luo surname is higher than that of the whole country. Since the Song Dynasty, the population growth rate of Luo surname has been on the rise. The distribution in China is mainly concentrated in Sichuan, Guangdong and Hunan provinces, accounting for 465,438+0% of the total population of Romania, followed by Jiangxi, Yunnan, Guizhou, Hubei, Guangxi and Chongqing, where 38% of the population of Romania is concentrated. Sichuan accounts for 17% of Romania's total population and is the largest province in Romania. There are two regions with high Luo surnames in China: Yunnan, Guizhou, Sichuan and Chongqing, Guangdong, Guangxi, Hunan, Hubei, Fujian and Jiangxi. In the past 600 years, the migration direction of Romanian population from the east to Central China and North China is greater than that from north to south and southeast, and it has become the mainstream to the west and south, and there has also been a flow to the northwest Hexi Corridor. The schematic diagram of the distribution frequency of Luo surname in the crowd shows that Luo surname is one of the more common surnames in Jiangnan area. Luo's surname is in Yunnan and Guizhou, most of Sichuan and Chongqing, most of Guangdong and Guangxi, most of Hunan and Jiangxi, and the western end of Fujian, which generally accounts for more than 1.44% of the local population, and the central region can reach more than 3%. Its coverage area accounts for about 20% of the country's total area, and about 63% of the Romanian population lives. In Hainan, Taiwan Province, Fujian and most of Zhejiang, Hunan and northwestern Jiangxi, northern Sichuan, southern Anhui, southeastern Henan, southwestern Shaanxi and Ningxia, Gansu, eastern Qinghai, western and northern Inner Mongolia, and northwestern Heilongjiang, the distribution ratio of Luo's surname among local people is between 0.48%- 1.44%, covering an area of about 20.6% of the country's total area and residents.