Xu ZhixunXu Zhixun may refer to one of the two oldest biological sons of Xu Wen, regent of Wu: Xu Zhixun (elder), Xu Wen's oldest son, served as Wu's junior regent when Xu Wen was away from the capital Xu Zhixun (younger), Xu Wen's second son, who tried to become Wu's regent after Xu Wen's death but lost out against his adoptive brother Xu Zhigao