What name did Ying Si give his legitimate son?

King Wu of Qin (329 BC - 307 BC), surnamed Ying, Qin family, famous, also known as King Wulie of Qin ("Shiben"), King Wu of Qin ("Qin Ji") , the son of King Qin Huiwen, the king of Qin during the Warring States Period, reigned from 310 BC to 307 BC.

In 310 BC, King Qin Huiwen died and King Qin Wu ascended the throne. King Wu of Qin was born with supernatural powers. He was tall and strong since he was a child, brave and warlike, and liked to compete with others. For this reason, the strong men Ren Bi, Wu Huo, Meng Ben and others were highly valued. In 307 BC, when King Wu of Qin visited Luoyi, the capital of Zhou Dynasty, he competed with Wu Huo and Meng Ben to lift a tripod. As a result, his eyes bled and his tibia was broken. That night, King Wu of Qin died of excessive bleeding and death at the age of twenty-three. King Nan of Zhou was shocked when he heard the news and went to mourn him personally.