Zhen Luo (Õçåµ;ÕçÂå) formally Empress Wenzhao (ÎÄÕѻʺó, literally, "the civil and diligent empress") was the first wife of Cao Wei's first emperor, Cao Pi -- although she was never empress while she was alive. She was posthumously honored as an empress because her son Cao Rui later became emperor.