William Clayton

An unnamed child is the son or daughter of Oliver Queen and an unnamed woman.

Biography
The child was conceived in 2007 during Oliver Queen's affair with a woman. Oliver shared the news with his mother, Moira, expressing that he had messed up. Thinking this could potentially ruin Oliver's life, Moira paid the girl $2 million to pretend she had miscarried and "asked" her to move away to Central City.

Almost 8 years later, the child's mother entered CC Jitters to get them a hot chocolate, during which she ran in to the child's father, still avoiding telling him of the child's existence. She called the child, promising to be back with a hot chocolate soon.

Behind the scenes

 * In the DC comics, Oliver has a son named Connor Hawke, who eventually becomes the second Green Arrow.
 * In the German dubbed version of the show, the mother calls her child "meine Süße" which is a German form of address for a girl. It is unclear, than it is Oliver's daughter or a sibling of the child or just a mistake in the translation.