The Wang clan of Taiyuan (Chinese: 太原王氏; Wade–Giles: T'ai1 Yuan2 Wang2 Shi4) was a Chinese clan which achieved prominence between the Han and Tang dynasties
the Zheng clan of Xingyang 荥阳郑氏, the Wang clan of Taiyuan 太原王氏, and the Li clan of Longxi 隴西李氏 were the seven noble families between whom marriage was banned
(趙郡李氏), the Cui clan of Boling, the Cui clan of Qinghe, the Lu clan of Fanyang, the Zheng family of Xingyang (滎陽鄭氏), the Wang family of Taiyuan (太原王氏),
Zheng family of Xingyang 荥阳郑氏, the Wang family of Taiyuan 太原王氏, and the Li family of Longxi 隴西李氏 were the seven noble families among whom marriage was banned