Besides Yong Yang and Yang Guang, Emperor Wendi of Sui Dynasty had a "magical" illegitimate child. Who is he?

Emperor Wendi of Sui Dynasty also had a child named Yuan Tiangang, a child of Emperor Wendi of Sui Dynasty and Julie. Emperor Wendi of Sui fell in love with Sun Simiao's school sister Julie and gave birth to Yuan Tiangang. When Queen Dugu found out, she sent a killer to kill Julie, but Julie's child escaped. Sun Simiao adopted the child and gave it to a family named Yuan. From then on, he was named Yuan Tiangang.

Yuan Tiangang and Yang Jian had a grudge against their mother. Yuan Tiangang took refuge in Li Shimin as an adult, eventually defeated the Sui Dynasty and established the Tang Dynasty. Yuan Tiangang is an extremely capable person. For the sake of the national luck of the Tang Dynasty, he wrote a book called TuiBei, which completely predicted the national luck of the Tang Dynasty and many things in later generations. He is known as China's master of prophecy and is deeply loved by people of all ages. Many historians have done historical textual research on Yuan Tiangang's TuiBeiTu, which proved to be quite correct.

Yuan Tiangang is a very talented person, and Li Shimin is very dependent on him. It was Yuan Tiangang's many suggestions that made the Tang Dynasty prosperous and popular. After Yuan Tiangang's death, his masterpiece "Pushing Endorsement" was circulated throughout the ages, successfully predicting one historical event after another, and was highly valued by many emperors and respected by emperors and generals. Yuan Tiangang was not only a prophet, but also a famous saint in the period of Emperor Taizong. He helped Li Shimin's administration greatly, making the world rich and the army stronger than Mazhuang.

As the son of Emperor Wendi of Sui Dynasty, Yuan Tiangang never enjoyed any splendor in his life. In the early stage, in order to get back at Queen Dugu, he devoted himself to the bloody battle between the Rebel Army and Sui Jun, and in the later stage, he devoted himself to the national luck of the Tang Dynasty. He was a talented minister in the Tang Dynasty and was deeply loved by Li Shimin. In the end, when he died, the country was extremely powerful and died fairly.