User blog comment:Ḡwẵine Ḹٍٍkƨ Ĺiĸe Ͼềлȑềd/LEON/GWEN - Really weird idea about the Pendragon heir (spoilers)/@comment-212.226.65.77-20121227090954/@comment-5465618-20121229190431

Yes, that is what I am saying. After all Arthur and Gwen had their last night together. She could have conceived a child at that time. Gwen being pregnant by Arthur is much more likely and romantic.