Board Thread:Speculation House/@comment-9058532-20130807182204/@comment-24766501-20140504035840

I was think that if Yang and Ruby were half sisters, it was through their father, Who isn't a hunter, both their moms were, and probably were good friends, Yang's mom died after she was born, Ruby's mom and and their dad gradually grew closer untill they had Ruby, but Summer died soon after, sending their dad into depression, causing Yang to take care of Ruby similar to Dean and Sam, with Ruby being Sam