My surname is Yan. What is Yan? How should I go on?

My last name is Yan, and my mouth is tight.

Taking history as the surname: Yan's family originated from Mi's family and came from his grandson. Although the Yan surname in the Wei and Jin Dynasties was restored to the Zhuang surname, a few people chose not to continue to use the Yan surname, thus forming the Zhuang surname and the Yan surname family, which is exactly ... 2. Taking the name of the feudal city as the surname: Yan originated from Yan, and it is said that Yan died from Qin Yan in the Warring States Period. According to legend, Yan Nuo, a descendant of ancient Yan State, was honored as the ancestor of Yan State.