Whose children are the flowers blooming on the battlefield?

In The Battlefield of a Hundred Flowers, Yiyi introduced that Yiyi suddenly felt uncomfortable and was about to give birth. Wen Jia quickly called for help. Jingbo Lake helped Yiyi, who was in dystocia, give birth to a son, and Yiyi named the child Victory. Flowers of the Battlefield tells the story that on the eve of the battle of Changsha, Japanese spy Eiko led the "Jade Bird" secret service team to sneak into Wuhan in an attempt to create a bacterial panic with Wu, the head of the 189 regiment, and took the opportunity to open the story of the Japanese attack on Changsha.