According to Qin Xianfen, her biological child is Qin Xiyu, Xu Yuyan's half-sister. She was sickly since childhood and relied on medicine to barely survive.,"Grab his arm, begging in pain: 'Please...please don't hurt my children...whatever you want...I'll give it to you...',Her childhood sweetheart, Feng Lai, came to the rescue, along with a barely breathing infant.。