A look into Grisha's memories shows Eren the many secrets his father was hiding, including one which led to his mother's demise.
Remember this, Grisha.
.تذكّر هذا يا غريشا
Sieh zu und lerne, Grisha.
Recuerda esto, Grisha.
Recuerda esto, Grisha.
Regarde bien, Grisha.
Presta attenzione, Grisha.
Lembre-se bem disso, Grisha.
А теперь запоминай, Гриша.