The Sadako Sasaki died at the age of 12. Here is all you want to know, and more!
Biography - A Short Wiki
Young leukemia victim who survived the bombing of Hiroshima, Japan at the age of two. She died at age twelve as a result of radiation exposure. She later became an international symbol of the war-time destruction of innocents.
She died, surrounded by her family, just three months shy of her thirteenth birthday.