No one of the ancestors of the Hong nationality is a descendant of the Hekou nationality, their name is Tuan Dui. From before the Duong-Ngu dynasty, the people of Son Nhung moved along the lawn by the river. There was no castle, no farming, but the land was separated. There is no book, no text as a contract. Children can ride goats, shoot birds and mice with bows and arrows, and shoot foxes and rabbits as food when they grow up. A healthy person who can bend over is an armored knight. Usually, when we have free time, we will follow our pets. In this case, people live by hunting and raising animals, so it is natural for people to go out and practice fighting to catch them urgently. The weapon for the distant attack is the bow and arrow, and the weapon for the close combat is the sword. If the gains come, if the gains are not good, then step back and not be afraid of running away. Useful, and then stay, not knowing the ceremony. They came down from the captain, ate pet meat, wore skins, and wore a sweater. Healthy people eat delicious and fatty meat, and the elderly eat leftovers. Respect for health, the elderly and the weak. If the father dies, the children will marry the father’s wife; or, if the brother or younger brother dies, they will marry each other. Habits usually have a name, but no name.