No, the child is Jing Ke’s.
After Ying Zheng got Li Ji, he found that she was pregnant. He was angry and helpless. He was angry that Li Ji was pregnant with someone else's child, but he could do nothing about Li Ji. Li Ji insisted on giving birth to the child, and Ying Zheng agreed in order to win Li Ji's heart. He also named the child Qin Tianming and admitted that the child was his own flesh and blood.
In the final outcome, Jing Ke committed suicide by taking poison after failing to assassinate Qin, and Li Ji also died for him, leaving only King Qin and Tianming. The love story of King Qin and Li Ji ended like this.
Extended information:
Dilraba Dilraba plays Gongsun Li
Gongsun Li is the granddaughter and disciple of Weiguo general Gongsun Yu, and Gongsun Yu's second disciple Jing Ke They are childhood sweethearts. The Qin army attacked Wei State, and Gongsun Yu died protecting Jing Ke, Li'er and others. Jing Ke and Li'er fled to Qi State and met King Qin Zheng by chance.
Later, Ying Zheng learned that Li'er was actually the girl he had secretly admired when he was a child, so he kidnapped her to the Qin Palace and named her Li Ji. Li'er just learned that she was pregnant with Jing Ke's son. In order to preserve Jing Ke's bloodline, Li Ji committed herself to the Qin Palace and gradually fell in love with Ying Zheng.
Zhang Binbin plays Ying Zheng
The First Emperor of Qin, a man of great talent and great strategy, who looked down on the world for generations. He has both the decisiveness to kill and his unswerving love for Li Ji. Since he ascended the throne at the age of thirteen and held the adult crown ceremony at the age of twenty-two, he has mainly focused on the Legalist theories of Shang Yang and Han Fei, and also adopted Yin-Yang and Confucianism to help him with his administration. He began his ambitious annexation of six countries. A journey of conquest to unify the world.
Liu Chang plays Jing Ke
Jing Ke, a knight-errant of the Kingdom of Wei, is Gongsun Li’s second senior brother. The two are childhood sweethearts and love each other. Later, Jing Ke was depressed due to the loss of Li'er. He accidentally discovered the unique sword manual "Hu Luo Sword Technique" left by his master in Songshan Mountain and successfully practiced it. Later, Jing Ke accepted the important task of assassinating Qin from Prince Dan of Yan, and presented General Fan Yuqi's head and the map of Dukang to the King of Qin, hoping to take this opportunity to assassinate the King of Qin.
Baidu Encyclopedia - Qin Shi Beauty’s Bright Moon Heart