Did Eren's father steal the Founding Titan to bypass the first king's will, allowing Eren to get rid of the world of Titans? - Quora

What did eren show grisha to convince him to give eren his titan? (Before the retcon) : r/titanfolk

Why did Eren allow grisha to see zeke,was it simply out of kindness or was there something more to it? : r/ANRime

Worst parent figures and their children : r/attackontitan

Grisha had Zeke at 19 years old. Zeke was raised by teen parents. : r/titanfolk

Sorry Zeke, Grisha's just not that bad a guy : r/titanfolk

Why does Eren mention his father being eaten? What possible reason does Eren want to show Zeke such a fucked up scene?? : r/titanfolk

Grisha Yeager, Wiki

How could eren manipulate grisha? I mean he was just seeing grisha's memories, wasn't he? Then how could that happen? (He was not even using founder's powers, zeke had control over that)

Who was the former attack Titan and what was Grish Yeager's relationship with him? What were they doing in season 3? Who are they working for? - Quora

Grisha Yeager (Canon)/Hikana, Character Stats and Profiles Wiki