Board Thread:Manga/@comment-29919227-20160909220906/@comment-30093322-20160928182634

There are two possibiIities. They are just my theories.

1. I think Zeka and Grisha are brothers. That makes Zeka, Eren's uncle.

2. Due to some Titan transformation, Zeka didn't age at all. And Zeke and Eren are half-brothers.