Whose child is the rival TV series Li Xiaoman?

The rival TV series Li Xiaoman is Lin Biao's daughter. Who is Li Xiaoman's biological father? In fact, there are hints in the play. At that time, before his death, Mao Ji told Li Tang that they had been in Xiamen for many years, including how old Li Xiaoman was. Li Tang and Ding Meixi were just partners at first. The person Ding Meixi liked at first should be Lin Biao. At that time, when these three people were together, Lin Biao and Ding Meixi had lived together aboveboard ... "