Reiss family (Anime), Attack on Titan Wiki

The Reiss family (レイス家 Reisu-ke?) is the current royal family of Eldia that descended from the First King of the Walls. They branched off from the original royal family after the Great Titan War, masqueraded as a minor noble family living inside northern Wall Sina, and set up a false King and royal family to further draw attention away from themselves. They passed the Founding Titan between ruling monarchs every 13 years, until it was stolen by Grisha Jaeger in the year 845. Currently, Historia

Shingeki No Kyojin (Attack on Titan)

In AoT the Reiss said that only royal family can use the Founding

Historia Reiss - Attack on Titan Wiki - Neoseeker

Uri Reiss (Anime), Attack on Titan Wiki

Attack on Titan Wiki on X: I'll see you later, Eren.

Eren Yeager: Attack On Titan Wiki

Historia Reiss (Anime), Attack on Titan Wiki

How did Eren's dad get the founding Titan's power without royal

Attack on Titan (season 4) - Wikipedia