Kirstein family

The Kirushutain-ke (キルシュタイン家) is one of several families that live within the Walls. It is the family that Special Operations Squad member Jean Kirstein hails from.

History
In year 847, Jean joined the 104th Training Corps with the initial goal to join the Military Police Brigade.

Battle of Trost District arc
Jean, having graduated as the sixth best soldier, eventually choose to join the Survey Corps.

Return to Shiganshina arc
As Eren and Jean are fighting, Eren mocks on Jean, calling him by the nickname his mother uses for her son and adding he should be nicer to her, to which Jean answers by hitting him and telling him to forget about that.

A Sudden Visitor: The Torturous Curse of Adolescence
In 847, Jean is drawing in his bedroom. His mother suddenly busts in and yells at him, making her son mad for not having knocking. Mrs. Kirstein then shows her son her pan with an omelette in it, saying she brought it to him since he was not coming. In response, Jean gets her out of his room and takes the decision to join the army and get out of the town.

Two years later, Jean is in the 104th Training Corps. He has an argument with Sasha and Commander Pixis, who was there, proposes them to make a cooking contest to solve it. After having fail to get the food he wanted, Jean is visited by his mother in the trainee canteen. She calls him by his nickname and offers him apples, which embarrasses and angers Jean. She eventually leaves and Eren advices Jean to be nicer to his mother. Later on, Jean decides to steal meat to his superiors for his recipe. As he stands near his goal, one of his superiors calls him and gives him a bag from Mrs. Kirstein. Jean opens it and finds a note from his mother and an omelette. This reminds him of his childhood and his mother. The memories bring back courage within him, allow Jean to come up with an idea for the contest and win it.