Grandfather: Qian Hui, appointed as the magistrate of Guangwu County, Yanzhou.
Father: Qian Qiang, Zuo Wei has a long history.
Mother: Liu
Uncle: Qian Qi (722-780), born in Wuxing, is one of the ten gifted scholars in Dali.
Uncle: Shi, monk, calligrapher.
Cousin: Wu Tong, a native of Qiantang, was a calligrapher in the Tang Dynasty.