Yellow Emperor. Cao are believed to be descended of the ancient Zhou kings (Ji was the ancestral name of the Zhou dynasty). The surname is derived of a kingdom called the State of Cao. The Ji family is traced from the miraculous birth of the Xia dynasty culture hero and court official Houji, a previously barren wife of the Emperor Ku (this origin allowed his descendants to claim a lineage from the Yellow Emperor as well) caused by his mother's stepping into a footprint left by the supreme god Shangdi. Shaohao is usually identified as a son of the Yellow Emperor. According to some traditions, he is a member of the Five Emperors. 晏 晏 is a typical Han surname. 延 延 is a Chinese surname. It has various origins: during the Han Dynasty, Xirong (西戎) the Loufan (樓煩) get surname Yan (延), branch of Pan (surname) (潘) during the Northern Wei (北魏), Emperor Xiaowen (孝文帝) family get surname Yan (延) during the Northern Wei (北魏), Xianbei noble's three-syllable surname was reduced to Yan (延) during the Ancient, Yue people (越族) Baiyue (百越) get surname Yan (延) in Zhejiang the old Wu (state) 燕 燕 is a Chinese surname. It has various origins: during the Ancient China, Ji (姞) family get surname Yan (燕) with title of Nanyan (state) (南燕國) during the Zhou Dynasty, Ji (姬) family get surname Yan (燕) with title of Yan (state) (燕國) during the Three Kingdoms Period, Wuhuan people use surname Yan (燕) Chinese Murong family get surname Yan (燕) with title of Former Yan (前燕) Burmese (ရန်ရ) Yan Aung Kyaw (born 1989), Burmese footballer for Myanmar national football team Yan Aung Win (born 1992), Burmese footballer for Myanmar national football team Yan Paing (born 1983), Burmese footballer for Myanmar national football team Yan Yan Chan, Burmese singer Breton and French-speaking people Yan' Dargent (1824-1899), painter Yan Greub (1972), romanist Yan England (1981), actor Yan Moran (1954), photographer Yan Kouton (1971), writer Yan Valery (1999), football player References Chinese-language surnames Multiple Chinese surnames