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Hannah Klein is the child placed for adoption by Izzie Stevens. Izzie encountered Hannah's parents at Seattle Grace Hospital and found out that she had leukemia. Izzie then donated bone marrow to Hannah to save her life.

Quick Answers

Who are Hannah Klein's biological parents in Grey's Anatomy? toggle section
Hannah's biological mother is Izzie Stevens. Her biological father is unknown.
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Why was Hannah Klein placed for adoption in Grey's Anatomy? toggle section
Izzie placed Hannah for adoption when Hannah was born because she knew Hannah deserved a better life than Izzie could give her at sixteen.
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How did Izzie Stevens save Hannah Klein's life? toggle section
Izzie gave her a bone marrow transplant to treat her leukemia.
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Does Izzie Stevens ever meet her daughter Hannah Klein? toggle section
No, Izzie got to see her through a window, but did not get to meet her as Hannah asked not to.
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What illness did Hannah Klein suffer from in Grey's Anatomy? toggle section
Hannah had leukemia.
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History[]

Birth[]

A picture of her when she was six.

A picture of her when she was six.

Izzie Stevens got pregnant at 15. Being unable to care for the child she gave birth to, she placed her for adoption at age 16. ("Break on Through")

Cancer[]

Years later, Hannah's parents came to the hospital looking specifically for Izzie, as Hannah had leukemia. Initially reluctant to do anything for Hannah as she would only be, at best, a half match for Hannah, she eventually decided to go through with a bone marrow donation.

Izzie asked to see Hannah after the procedure and her parents agreed to ask her, but they came back and said that she was tired. Izzie did, however, get a glimpse of her in her hospital bed through the windows during the transfusion.

Notes and Trivia[]

  • Her parents named her Hannah, but Izzie privately named her Sarah.
  • Hannah loves pigs; she has earrings, stuffed animals, and many other pig accessories. Izzie speculates that it is because her mother used to read Charlotte's Web to her.