some timelines to consider
Hunter and Melissa
May 2019
Hunter Biden and Mellissa Cohen tied the knot in May 2019 with the help of a Los Angeles-based minister working for an instant, same-day marriage company. The ceremony took place on the roof of the documentarian’s apartment after less than a week of dating.
March 28, 2020
Melissa’s brother Garyn Cohen told The Post a “beautiful and healthy baby boy” was born in Los Angeles on Saturday, March 28.
Natalie Hunter
Nov/Dec 2019
Appears to be 4-6 months pregnant reading a book with release date of Jan, 2020
possible due dates for Natalie's baby
March -June???? 2020
https://pagesix.com/2020/04/01/hunter-biden-wife-melissa-cohen-welcome-son-amid-coronavirus-pandemic/
https://www.usmagazine.com/celebrity-moms/news/hunter-biden-and-melissa-cohen-expecting-1st-child-together-his-5th/