User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-4902593-20130521041657/@comment-4521561-20130521213212

The Big Three does not refer to the most important gods. As explained by Chrion, The Big Three are the 3 sons of Kronos, and subsequently are the most powerful gods. Now Jason had what 12 marks on his arm? They represent 12 years of service to Camp Jupiter. Most likely he was with Lupa for two years then sent, or more likely escorted, to the camp.