What is the relationship between Su Dai and Su Qin?

The relationship between Su Dai and Su Qin is that Su Dai is Su Qin's younger brother.

Su Qin (? Ji zi, born in Luoyang (now Luoyang, Henan Province), was a famous strategist, diplomat and strategist during the Warring States Period. Su Dai was a strategist in the Warring States Period. Luoyang people in the Eastern Zhou Dynasty. Su Qin's brother. Su Qin, Su Dai and Su Li were famous strategists and strategists in the Warring States period, and later generations also called them "Three Soviets".

Su Qin studied under Guiguzi, traveled for many years after his completion, and came back down and out. Then he studied hard on Yin Fu. A year later, he lobbied other countries, which was appreciated by Yan Wengong and sent to Zhao. After Su Qin arrived in Zhao State, he put forward the strategic idea of uniting six countries to resist Qin State, and finally formed a joint alliance. As a "long-term partner", he attached great importance to the six countries, so that Qin State dared not go out of the valley for fifteen years. After the dissolution of the alliance, the State of Qi attacked Yan, and Su Qin said that the State of Qi returned to Yan.

After Yan arrived in Qi State, he engaged in anti-espionage activities and was appointed as a guest of Qi State. The doctor of Qi sent someone to assassinate him because of his rivalry for favor. Su Qin gave advice and killed the assassin before he died. There are 3 1 perilla among the strategists of Hanshu Yiwenzhi, which was lost earlier. There are 16 essays and letters in the silk book Letters of the Warring States, among which 1 1 is not found in the existing ancient books handed down from generation to generation.

Su Dai was a strategist in the Warring States Period. Luoyang people in the Eastern Zhou Dynasty. Su Qin's brother. It was the prince of Yan and the king of Qi. Yan Yintong rebelled, returned to Qi and Song, and was named Shangqing. Or the five brothers, Qin Yun, are brothers, and they lobby. Qin is the least, so the word Ji Zi. As far as Qin Emperor's generation is concerned, The Warring States Policy and Historical Records and Biographies of Su Qin are the same, while Qiao Zhou's Textual Research on Ancient History is different from Fish's Canon. "Suoyin" says: "Nature covers the spectrum of the Soviet Union." There is an article "Complete Works of Think Tank-Su Dai".