Career
He conflicted with the king, Nguyễn Phúc Ánh or Gia Long, on several occasions, including using money reserved for purchasing military provisions to pay off gambling debts for his Gia Định soldiers in Siam. Phan Châu Trinh records that the king had also had Thành himself and Thành"s elderly father executed. In effect this was the case, as Thành was driven to take his own life.