sentences:  Ngô Quyền was a commander and trusted son-in-law of the warlord and de-facto Jiedushi Dương Đình Nghệ.In 931, when Dương Đình Nghệ defeated the Southern Han in Annam, Ngô Quyền was a 33-year-old general.Dương Đình Nghệ loved his talent and gave him one of his daughters, Lady Dương, in marriage and placed him in charge of Ái Châu (Nghệ An province at present).