(bound form) family name; surname (as in 王氏[Wang2 shi4] "the Wang clan"), (bound form) maiden name; née (as in 李王氏[Li3 Wang2 shi4] "Mrs. Li, née Wang"), (bound form) honorific suffix added to the surname or full name of a notable person, esp. historical or scholarly figures
Yan, a vassal state of Zhou in present-day Hebei and Liaoning, north Hebei, the four Yan kingdoms of the Sixteen Kingdoms, namely: Former Yan 前燕[Qian2 Yan1] (337–370), Later Yan 後燕|后燕[Hou4 Yan1] (384–409), Southern Yan 南燕[Nan2 Yan1] (398–410), Northern Yan 北燕[Bei3 Yan1] (409–436), surname Yan