Yang Xi, originally unknown, but because Xiang Yu Wujiang killed himself, he was on the scene and won part of Xiang Yu's body, so it was written in the "History of Xiang Yu Benji" ("Langzhong riding Yang Xi, riding Sima Lü Ma Tong, Langzhong Lü Sheng, Yang Wu each got one").
However, no one expected that he would rely on this, add officials to the knighthood, shade the descendants, not only laid the foundation for the prosperity of the Yang family, but also a very large number of descendants came and went, which can be said to be glorious and prosperous.

(Yang comedy photo)
What Yang Xi did before is not exactly recorded in history. Yang Xi made his first appearance in the "Chronicle of History", that is, "LangZhong Riding". "Langzhong Riding" is Langzhong Riding Lieutenant, is a mid-level officer.
When Liu Bang and Xiang Yu competed for the world, Yang Xi must have also participated in it. However, there is no record of him. On the one hand, his position is not high, and on the other hand, he really has no merit. Of course, perhaps because of the limited space, the article needs to be cut, and the "History" cannot record him. This is also possible.
It is said that the Chu-Han dispute between Liu Bang and Xiang Yu finally came to an end in 203 BC.
In the Battle of Xiaxia, Xiang Yu suffered heavy casualties. Seeing that the soldiers were running out of food and had entered a desperate situation, Xiang Yu led more than 800 elite soldiers to break through the siege overnight and galloped south.
When Liu Bang found out, it was already dark, so he asked the infant to lead the cavalry to pursue and kill.
Because Xiang Yu took the wrong road, the time was delayed, and as a result, he was caught up by Dou Bao and others.
At this time, only 28 people were still following Xiang Yu's side, and there were as many as 5,000 people and horses brought by the irrigation baby.
After Xiang Yu was surrounded by the Wu River, he had no fear, but instead rushed directly to the Han army with his knife, killing a Han general in the blink of an eye.
(Xiang Yu stills)
Xiang Yu turned and rode away, and Yang Xi also rode his horse to chase.
Suddenly Xiang Yu turned around and stared at him, and Yang Xilian turned around and fled in fright with his horse, running for several miles before stopping.
At that time, the pavilion chief of Wujiang admired Xiang Yu, so he stopped the boat and waited by the river, and persuaded him to cross the river and find an opportunity to make a comeback.
However, Xiang Yu had always been proud, and thinking that his sons and soldiers had died in battle, he could not help but sigh, rejected the kindness of the pavilion chief, and gave the crotch good horse to the pavilion chief.
At this moment, the Han army chased after it again.
Xiang Yu then rushed into the Han army for a fight. Suddenly he saw Sima Lü Matong and thought that Lü Matong had served as a soldier under him and followed him, so he said to him: "I heard that Liu Bang promised you in order to kill me, and if anyone kills me, he will not only reward me with thousands of gold, but also seal ten thousand households, so I will send you a personal favor, and you will take my head to receive the reward." After saying that, he killed himself in Wujiang.
At that time, Yang Xi and the others were all in front of each other, and everyone saw Xiang Yu kill himself, and in order to get the reward, they competed with each other and killed each other.
(Liu Bang stills)
In the end, Lü Matong did get the head, and Yang Xi also snatched part of his body, and three other people also snatched Xiang Yu's body. So Liu Bang fulfilled his promise and gave them the title of official.
Yang Xi was given the title of Marquis of Chiquan and enjoyed the title of 1900 households.
After the establishment of the Han Dynasty, Yang Xi's affairs were rarely recorded in the history books, but Yang Xi lived quite peacefully.
After Yang Xi's death, his son Yang Shi inherited the title, which was later passed on to his grandson Yang Yin.
Since then, many celebrities have emerged from the descendants of the Yang family, such as Yang Zhen, who was once a Situ, known as the "Confucius of Guanxi", Yang Ci, who was once a lieutenant, Yang Biao, who was a lieutenant when Cao Wei was a lieutenant, Yang Xiu, a "wise man" who was killed by Cao Cao, and so on.
According to historical records, Yang Xi's sixteenth grandson Yang Yuanshou was the fifth ancestor of Yang Jian. Then, that is to say, the Sui Dynasty was established by Yang Xi's descendants.
(Reference historical materials: "History of Xiang Yu Benji")