User blog comment:Master Sima Yi/Assassinews 19-03-'14 – Two Assassin's Creeds for 2014?: Unity and Comet/@comment-1379990-20140730183153/@comment-1153722-20140731222530

Arno comes from a family of Assassins, and due to 'unfortunate circumstances' he 'ends up' raised by Templar Grand Master.

Also, a relationship with his adopted sister is incest.