User blog comment:Suriken88/Rumour: Assassin's Creed 3 Setting Revealed/@comment-1889286-20120131204420/@comment-1153722-20120131212531

It's never said if Cain was a Templar himself. He may have founded the Templar Order, but it may just as well be possible that the Order was founded by people who idolized Cain.