Board Thread:Manga/@comment-27713352-20160909233230/@comment-27321453-20160913190752

Dave55811 wrote: The fact that Zeke greatly resembles Grisha is why I assume they're brothers. Zeke was surprised to see that Eren looks nothing like Grisha. Now that doesn't necessairly mean he's his half brother but it would hint at it with Zeke maybe thought to himself "I look greatly like Father, but HE doesn't?" about Eren.