1, from the surname Ji, from the descendants of two kings in the bi-weekly period, belongs to the country name. Among the nobles in the country of Er, those who took the country name as their surname a long time ago were called the Er nationality. For example, in the tenth year of King Huan of Zhou Dynasty (7 10 BC, the first year), there was a famous doctor named Er Zong in Jin State and Er Guang in Qi State, both of whom were nobles of the two countries.
2. Originated from Ji surname, subordinate to, belonging to the official title. Er Fu, the official name in ancient times, is similar to a military commander or hunter who specializes in destroying evil beasts. His descendants, the official title of this ancestor, is called surname, which is passed down from generation to generation and is one of the very old surnames.
3. Originated from Xianbei nationality, from Tuoba Department of Northern Wei Dynasty, belonging to Wei family.
Extended data:
The second surname is a rare surname in China. In addition to the second surname, there are the following rare surnames:
Organ names are: head, bone, heart, kidney, intestine, hand and claw.
Animal names are: duck, pigeon, sheep, wolf, chicken, monkey, dog, snake.
Meteorological terms include: snow, wind and electricity.
Daily necessities include: melons, peaches, violins, windows, boxes, chopsticks, gourds, firewood, rice, oil, salt and tea.
Gender nouns are: female, male and sister-in-law.
The numbers are: one, two, three, four, five, six, seven, eight, nine, ten, one hundred, thousand, ten million, trillion.
Baidu Encyclopedia-Second Surname
China net-surnames that worry parents.