Jonas Kahnwald, the traveler from the original world, finds himself a stranger in a familiar land. Here, he is a ghost who was never born, yet he is the catalyst Eva needs. While (his older, scarred self) seeks to annihilate both worlds to find peace in "the origin," Eva fights to keep the cycle spinning forever.
: Eva guides Jonas and the alternate Martha, leading them to believe they can stop the apocalypse. In reality, every step they take—every attempt to change the past—is exactly what causes the future they are trying to prevent. [S3E3] Adam and Eva
: It is revealed that the child of Jonas and Martha—a boy born of two different worlds—is the "Unknown," the literal beginning and end of the family tree that binds every citizen of Winden together. Jonas Kahnwald, the traveler from the original world,