Board Thread:Manga/@comment-29919227-20160909220906/@comment-5774380-20160926172637

Tdfern14 wrote:

So you are saying Zeke is rather Grisha's brother, in essence, making him, Eren's Uncle. Which to be honest I find that more believable.

"The rival who stands in the way of the main character [...] is the brother-like existence that he must surpass."

I'm saying Zeke is Eren's brother.