Eren manipulates Grisha in Japanese sub using English letters/ romaji

Season 3 SPOILERS] Is there any specific reason that why Grisha's attack titan was fat instead of mascular ? : r/ShingekiNoKyojin

Yeager family, Attack on Titan Wiki

What could've Eren shown Grisha? : r/ANRime

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

Anime Spoilers] [Humor] The mystery of Grisha Yeager's whereabouts finally solved. : r/ShingekiNoKyojin

Eren killing Grisha

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)

Bad Dads In Anime

What Grisha saw in Eren's memories vs the Ending - Forums

Is the ape Titan Eren's dad? - Quora