Historia Reiss (ヒストリア・レイス ) is the current Queen of the Walls. She is also the illegitimate child of the nobleman Rod Reiss and the last remaining member of the Reiss royal family. She was raised in isolation on one of the Reiss family estates until the fall of Wall Maria.

Shortly after, her mother was murdered in front of her, and Historia was coerced into renouncing her name and claim to the Reiss heritage, taking on the new identity of Krista Lenz (クリスタ・レンズ ) and entering military service, which was expected to result in her death.

Largely thanks to Ymir’s influence, she graduated as the 10th best soldier within the 104th Training Corps and joined the Survey Corps. She eventually reclaimed her true name, becoming an important
asset to the Corps and ascending to the throne after the success of the revolution against the government.