Wow! Nobody saw that one coming With Oliver and Malcolm having yet another intense conversation during this latest outing, Merlyn drops the absolute bombshell on Ollie that he is aware of William, the secret son of Oliver Queen. From what we were led to believe, the only people who knew that William was Olivers son were Ollie, Barry Allen, and Samantha, Williams mother. As Malcolm puts it, though, he knows everything about Oliver Queen.