Chinese:: Mandarin form of the surname 陳 meaning ‘to explain’ and ‘old’ in ancient Chinese: (i) from Chen (陳) the name of a state (located mainly in present-day Henan and Anhui provinces) granted to Hu Gong Man (Duke Hu of Chen reigned 1045–986 BC). His descendants acquired 陳 the name of the state as their surname. (ii) from the surname Hou Mo Chen (侯莫陳) borne by people from the Xianbei ethnic group in northern China. They adopted the surname 陳 after they moved to Luoyang (in present-day Henan province) during the Northern Wei dynasty (386–534 AD). Mandarin form of the surname 諶 meaning ‘believe’ or ‘honestly’ in ancient Chinese: from the second element of the personal name Bi Chen (裨諶) an official in the state of Zheng during the Spring and Autumn period (770–476 BC). alternative Mandarin form of the surname 甄 see Zhen . variant Romanization of the surnames 程 and 成 see Cheng 1 and variant Romanization of the surname 鄭 see Zheng variant Romanization of the surname 曾 see Zeng .7: variant Romanization of the surname 岑 see Cen .8: variant Romanization of the surname 莊 see Zhuang .
Source: Dictionary of American Family Names ©2013, Oxford University Press