Did Reiner, Bert & Annie know that Eren YEAGER was related to their pal Zeke YEAGER???

Do you think they made that connection? Or maybe they just assumed Yeager was a common surname. I’m currently rewatching and I actually don’t remember this being touched upon so let me know, because it has always intrigued me.

Do you think they made that connection? Or maybe they just assumed Yeager was a common surname. I’m currently rewatching and I actually don’t remember this being touched upon so let me know, because it has always intrigued me.