He ordered his ninth son, Liu Hongcao (Vietnamese: Lưu Hoằng Tháo) to become "Bình Hải tướng quân" (Sea-Pacifying Military General) and "Giao Chỉ vương" (King of Giao Chỉ), he commanded the naval forces of the Southern Han into Giao Chỉ.
Ia memerintahkan putranya yang kesembilan, Liu Hongcao (bahasa Vietnam: Lưu Hoằng Tháo) untuk menjadi "Bình Hải tuong quân" (Jenderal Militer Pasifikasi Laut) dan "Giao Chỉ vương" (Raja Giao Chỉ), ia memerintahkan pasukan angkatan laut Han Selatan menjadi Giao Chỉ.