Kuchel Ackerman

A member of Ackerman clan who ended up working in a brothel. She is the mother of Levi Ackerman and the younger sister of Kenny Ackerman. She eventually got sick and died. It is unknown what exactly caused her death, but it was noted by Kenny that she lost much weight. It is unknown who the client who impregnated her is and whether he is aware of Levi's existence. (Source: Wiki)