Mikasa and Levi are half siblings and Kenny is an uncle to them both. Mikasa's mother Carla had an affair with Kenny and as a result, Mikasa and Levi were born, however, their father is not confirmed. Kenny is not related to Mikasa and Levi by blood, but he protected their mother and them when they were young.
MIKASA AND LEVI ARE SECOND COUSINS.
It is later revealed that Kenny was Levi's uncle, who took care of the latter after his mother, Kuchel Ackerman died. After teaching Levi how to fight, he abandoned him feeling that he could not be a good parent to Levi.
I wonder why. Do Levi and Mikasa know that they are related? Spoilers - In Chapter 63, when Mikasa reveals what she knows of the Ackermans of the past, Levi asks her if there was ever a moment where she felt sudden great power within herself. When she says yes, he reveals that he and his uncle Kenny experience...
They don't spell it out, but the implication is that the branch of the family Kenny is referring to is Mikasa's family. Since he uses the term "branch" it's likely not his immediate family (parents and siblings). I figure they're probably cousins, perhaps distant ones, since he doesn't bother with names.
Kuchel Ackermann (クシェル・アッカーマン Kusheru Akkāman?) was the younger sister of Kenny Ackermann and the mother of Levi Ackermann. She worked as a prostitute in the Underground.
Leading the anti-personnel division is none other than Kenny Ackerman, Levi's father figure and mentor.
Eren sees Mikasa as an annoying mother figure who only protects him cos she thinks he's a kid who needs protecting. 2. Eren learns the real reason Mikasa protects him is because she just wants to be with him.
Mikasa's mother (ミカサの母 Mikasa no haha?) was the mother of Mikasa Ackerman and wife of Ackerman. She and her family lived in a forest near Shiganshina District.
Ackerman (アッカーマン Akkāman?) was the father of Mikasa Ackerman and the husband of Mikasa's mother. He and his family lived in a forest near the Shiganshina District.
As it turns out, Levi's mother was Kenny's sister, who died when Levi was very young. As his only living family member, Kenny felt he owed it to his sister to look after her son, his nephew. Once Levi was able to fend for himself, Kenny felt he had fulfilled his obligation to his sister and left him.
Kenny Ackerman is a supporting antagonist in the anime/manga series Attack On Titan, serving as the secondary antagonist of the Royal Government arc and a cameo antagonist in the flashbacks of the Marley arc.
Long after the persecution of the Ackerman clan, Kuchel took to working in a brothel in the Underground. She ended up being impregnated by one of her clients. Her elder brother Kenny Ackerman eventually found her, and unsuccessfully tried convincing her not to keep the child.
Love Confession — Eren confesses to Armin that he always loved Mikasa, and can't bare seeing her love another man. Alternate Universe — Eren sends Mikasa a vision where Mikasa truly were to confess her feelings to Eren, the two then run away to live together as a couple for the remaining of Eren's final years.
Christa is the wife of Eren.
After Eren's demise, Mikasa doesn't date or marry anyone but instead lives in the same place she used to play with when they were children. 9 Mikasa's Ackerman Blood Makes Her An Incedibly Reliable Soldier. A crucial part of any Shonen anime character's popularity is their combat ability.
If there's one thing clear about Attack on Titan's Mikasa Ackerman, it is that she is devoted beyond all reason or logic to Eren Yaeger.
A relationship that's very important in the series is the one between Eren (Bryce Papenbrook) and Mikasa (Trina Nishimura). The big question, in this case, is whether or not they're biological siblings. And to answer that question: no they are not.
As the final pages of volume 34 come in, Attack on Titan shows Mikasa living life as a wife and mother. She is shown sitting at Eren's grave with a man facing away from readers. It seems the guy is none other than Jean, and the couple has a small child between them.
As Armin tries to rescue Eren, the Bearded Titan closes its mouth, biting one of Eren's arms off in the process, and swallows Eren, much to Armin's hysterical horror. It is unknown how Armin survived the Bearded Titan and the others afterwards, but he was no longer attacked after the deaths of his friends.
The "Smiling Titan" is the unofficial name of Dina's Pure Titan that was notable for killing Eren's mother, Carla Yeager, the new wife of her former husband during the invasion of Wall Maria.
After the Scout Regiment's return to Trost District, Eren sees his father's memories in his dreams and comes to the realization that Dina was the Titan that killed his mother.
Levi Strauss (/ˈliːvaɪ ˈstraʊs/ LEE-vy STROWSS; born Löb Strauß, German: [løːp ˈʃtʁaʊs]; February 26, 1829 – September 26, 1902) was a German-born American businessman who founded the first company to manufacture blue jeans. His firm of Levi Strauss & Co. (Levi's) began in 1853 in San Francisco, California.