a honored man who is leader of his kin and also of a large area around his base during early independent Vietnam. Thanks to his efforts, Ngô Xương Ngập was in safety. Afterward, Dương Tam Kha adopted Ngô Xương Văn, the second son of Ngô Quyền. During his reign, prospered economically and freely developed its own regional culture that continues to this day. He developed the coastal kingdom's agriculture, built seawalls, expanded crops in Hà Tây, dredged rivers and lakes, and encouraged sea transport and trade in Nam Định. In 950, Dương Tam Kha forced Ngô Xương Văn to quell the rebellion in Thái Bình Province, but he turned his army to dethrone Dương Tam Kha. Although Dương Tam Kha dethroned his brother after the death of his father, Ngô Xương Văn spared, but degraded him to Duke of Chương Dương. Later years He spent his later years reclaiming new land called Giao Thủy (Nam Định) with his family and followers. Some historic evidence showed that he was the father of Empress Dương Vân Nga who married Đinh Bộ Lĩnh in 966. She would eventually become the last ruler of the Đinh family who would rule as dowager empress in her son's name, eventually giving rise to the Lê family through her marriage to Lê Hoàn in 980. Family Father Dương Đình Nghệ (874–937) Sister Dương Thị Ngọc Daughter Dương Vân Nga (952–1000) References Vietnamese kings Ngô dynasty 10th-century births 10th-century rulers in Asia 980 deaths Vietnamese monarchs