Reiner's father

Reiner Braun's father is a Marleyan man who had an illegal relationship with the Eldian woman Karina Braun. He is the estranged father of Reiner Braun.

Personality
He is shown to be a desperate and fearful man since he disowns his own son out of fear of getting decapitated by the Marley government for having an illegal relationship with an Eldian woman.

History
He met an Eldian woman named Karina Braun while working the barracks. Even though it was forbidden, they had a secret relationship. Some time later, Karina gave birth to their son, Reiner.

He eventually abandoned his lover and his little son for his own safety. He was also afraid of the safety of his Marleyan family members since the consequences of his actions - his illegal relationship, would result in cruel punishment for him and his family.