text: Yone Minagawa ( 4 January 1893 â `` 13 August 2007 ) was a Japanese supercentenarian believed to have been the world 's oldest living person from 29 January 2007 until her death of old age , aged 114 years 221 days .
simplified: Yone Minagawa ( January 4 , 1893 -- August 13 , 2007 ) was a Japanese supercentenarian and the world 's oldest living person between January 29 , 2007 , and Minagawa 's death at age 114 years 221 days .