Wed thought it was going to be the case, but we finally got confirmation here that, yes, Oliver Queen is indeed a father. After slightly creepily obtaining a hair sample of his potential son, Ollie then gets Barry Allen to run some tests on the hair. Using the excuse of the test being somehow related to Damien Darhk, Barrys findings confirm that Ollie has a son out there. For Oliver Queen and his world, this is a game-changing discover. Well, providing that he tells those closest to him