A look into Grisha's memories shows Eren the many secrets his father was hiding, including one which led to his mother's demise.
Listen, Grisha...
...اسمع يا غريشا
Hör mir gut zu, Grisha.
Escúchame, Grisha.
Escúchame, Grisha.
Écoute-moi bien, Grisha.
Ascoltami bene, Grisha.
Ouça, Grisha.
Послушай, Гриша,