User blog comment:BROTHER BAN-KAI/514. Born in the Darkness/@comment-4530178-20121030134138

Bleach is so predictable. Masaki must be a quincy. So that's why Isshin left Soul Society, he fell for a quincy...making Ichigo part quincy. Pretty much sure Isshin lost his powers by using a Final Getsuga Tensho, for a reason he knew about the attack and its consequences, Masaki, on the other hand, how she lost her powers is perhaps the mystery, but I think unless they were sealed beforehand, she voluntarily lost them or stopped using her weapons or whatever once she was pregnant with Ichigo, as to raise him like a normal human kid. The question is whether Juha Bach is Ichigo's Father?! Or did he take part in making Ichigo what he is now? If Juha was Ichigo's father, despite the different names of their zanpakutos, Ichigo has the same techniques as his stepdad? that pretty much gives away Isshin is Ichigo's real dad.