User blog comment:Zathronas/Speculative author: Who is Summer Rose?/@comment-5217560-20140809062848/@comment-96.254.157.84-20140809063348

I also put forward my theory that Summer's death may be the fault of a Schnee, which is why Cinder wants revenge for her mentor that she would work with the White Fang towards a common goal.

It would also make an interesting plot device if Ruby knew Weiss's family killed her mother.