贠 is pronounced yùn in the surname.
When the surname "贠" is used, it is pronounced yùn, not yányuan. The surname "贠" in Qianxi County, Tangshan is pronounced rùn. The Yun family takes the name of their ancestors as their surname and comes from the Wu family. He is a descendant of Wu Yun of Chu State (later the Prime Minister of Wu State) during the Spring and Autumn Period.
According to data research: "贠" and "元" are originally the same character, but they are written in different ways. The origin of the surname comes from the famous Wu Zixu, that is, Wu Yu (member), so the ancestor of the Yu family It's Wu Zixu. The character "Yuan" was always written as "貟" before the character was simplified. The descendants of the Yun family also used the character "貟", but in modern times it was simplified and written as "貟".
According to the historical record "Xingyuan", "贠 came out of Nanyang, and he was of the same clan as Chu, after Zhuanxu." The Yun family took the name of their ancestors as their surname and came from the Wu family. He is a descendant of Wu Yun of Chu State (later the Prime Minister of Wu State) during the Spring and Autumn Period. The origin of the surname Yun is: Shun → Yao → Emperor Ku → Zhuanxu → Mi → Xiong → Chu → Wu → Yun (member). ?Extended information
Other rare surnames
1. Da surname
Da (dá), in Chinese characters, means a kind of surname made of bamboo. A mat-like thing used for drying grain and tea leaves. As a surname, also pronounced as dá, the surname Da has a population of about 100,000 in the country, ranking 300th among the population of surnames in the country, and 496th among hundreds of surnames.
Da surnames are mainly distributed in Jurong, Anhui, Jiangsu, Dexing, Jiangxi and other places. One theory is that the origin of the Da surname came from the surname change in the Western Han Dynasty, and another theory is that it was changed from the surname Da among the Hui people. Da Shen was a Jinshi in the Song Dynasty and a native of Jianping, Anhui Province. His name is recorded in ancient books.
2. The surname Feng
The surname "Gōu" (gōu) is not pronounced "houhou". The surname "Feng" comes from the fiefdom of the Qing officials in the Western Zhou Dynasty. It is a surname based on the name of the fiefdom. During the Western Zhou Dynasty, the second eighth son of Duke Zhou was granted the title of Fenghou (now Yanshi, Henan) because of his meritorious service. This is the origin of the surname Feng. The total number of people with the surname Gu is not among the top 300 surnames in mainland China. The southern Fengshi Mountain in Yanxian County, Henan is the birthplace of the Fengshi family.
3. The surname Yi
佴 means nài but not er. The surname Yi comes from Shangtang, a descendant of the Yellow Emperor. The ancestor was Yi Mao, the left prime minister during the reign of Emperor Guangwu of the Eastern Han Dynasty. It is said that the origin of the surname Yi is because the emperor was responsible for designing and making the crown, and the crown was placed next to Bi'er, so the king gave the surname to the person next to his ear as the Ji family.