User blog comment:D. Cello/Assassinews 10/11 -- Desmond's Ancestry Revealed/@comment-95.144.142.59-20111103191749/@comment-3967215-20111103205130

No no no! It goes like this, Ezio and Altair are from a completely different bloodline, it comes together with Desmond. If it went the way you said it then any of Desmond's relatives could view it and Desmond wouldn't be special. The way they explained it means Desmond is a very special boy. :P