Because these two surnames are mainly from the Zhuang ethnic group.

The surname Qin is a Chinese surname. Derived from the surnames Qin Huai and Tan. During the pre-Qin period, the Qin surname was active in Henan, and the main force also moved from the north to the south. After the Qin, Han, Jin, Southern and Northern Dynasties, the surname Qin has spread to various places.

In the Song Dynasty, the surname Tan was already a famous surname in Guangxi, forming a typical southern surname. During the Song Dynasty, there were about 8,000 people with the surname Qin, mainly concentrated in Guangxi. During the Ming Dynasty, there were about 48,000 people with the surname Tan, accounting for about 0.05% of the country's population, ranking after the 200th. Guangxi is still the largest province with the surname Qin, accounting for about 65% of the total population of the surname Qin in the country.

The birthplace of the Wei (Wéi) surname must be the ancient country of Weiwei in Huaxian County, Henan Province. It takes Guo as its surname and belongs to the Dapeng family, a descendant of the Huangdi Ji surname. There are many sources. It also comes from the descendants of Han Xin who used the half "Wei" of the character "Han" as their surname to avoid hatred. There was also Webster in the Shule Kingdom of the Han Dynasty.

The early transfer situation of the Wei surname is roughly as follows: Sun Meng, the 24th generation of Weibo Ya, was the Taifu in the early Han Dynasty. After resigning, he moved to Zou County, Lu State; Sun Xian, the 4th generation of Meng, was the Prime Minister of the Han Dynasty and later moved to Du Mausoleum. This means that as early as the Han Dynasty, Webster's was already distributed in Henan, Shandong, Shanxi, Hebei and other places, and some Webster's moved south.

After the Three Kingdoms, Webster flourished in what is now Shaanxi Province. During the Tang Dynasty, the Wei surname achieved unprecedented development in Shaanxi Province, and "Jingzhao Webster" once flourished. After the Tang Dynasty, Websterism spread all over the country.

Guangxi Zhuang Autonomous Region, referred to as "Gui", is a provincial-level administrative region of the People's Republic of China. Its capital is Nanning City, located in southern China.

Guangxi is bounded by 20°54′-26°24′ north latitude and 104°28′-112°04′ east longitude. It borders Guangdong in the east, Beibu Gulf in the south and faces Hainan across the sea. It borders Yunnan to the west, Hunan to the northeast, Guizhou to the northwest, and Vietnam to the southwest. Guangxi has a land area of ??237,600 square kilometers and a sea area of ??about 40,000 square kilometers.

Guangxi has belonged to the eighteen provinces of the Han Dynasty since ancient times and is one of the birthplaces of Chinese civilization. In the Tang Dynasty, it was called Lingnan West Road, which was changed to Guangnan West Road in the Song Dynasty. In the Yuan Dynasty, Guangxi Xingzhongshu Province was established to build Guangxi. The beginning of the province.

During the Qing Dynasty, Guangxi Province was established, with the provincial capital in Guilin Prefecture (now Guilin City). Guangxi followed the Qing Dynasty and was called a province; during the period of the new Gui system in the Republic of China, Guangxi was a national model province. In 1958, Guangxi Province was changed to "Guangxi Tong Autonomous Region". In 1965, with the approval of the State Council, "Guangxi Tong Autonomous Region" was renamed "Guangxi Zhuang Autonomous Region" ".

Guangxi is located on the southeastern edge of the Yunnan-Guizhou Plateau, the second terrain ladder in China, and in the west of the hills of Guangdong and Guangxi. The terrain is high in the northwest and low in the southeast, tilting from northwest to southeast. The landform is generally composed of six categories: mountains, hills, terraces, plains, rocky mountains, and water surfaces. Guangxi has a subtropical monsoon climate and a tropical monsoon climate, spanning four major water systems: the Pearl River, the Yangtze River, the Red River and the Binhai River.