Isabelle would always take her son "Max" with her to Max's gravestone. She and Alec would tell Max (II) stories about their brother and told him about their similarities. It always led the siblings to cry a bit and have a brother-sister moment.
OMG, SHADOWHUNTERS: THE MORTAL INSTRUMENTS HAVE RELEASED THE FIRST 2 EPISODES!!!!!! And Big Brother Alec moment!!!!~ Prongs (trying to be positive)