 <translate> This is the relevant information: The Gerontology Research Group (GRG), an organization that tracks supercentenarians and validates longevity claims, has validated claims of over 700 American supercentenarians and as of 15 July 2018, lists six verified living American supercentenarians, the oldest of whom is Lessie Brown, born September 22, 1904, aged 113 years, 296 days. <yor> Eyi ni alaye ti o yẹ: Ẹgbẹ Iwadii Gerontology (GRG), agbari kan ti o tọpinpin awọn supercentenarians ati ṣatunṣe awọn ẹtọ igbesi aye gigun, ti ṣatunṣe awọn ẹtọ ti o ju 700 awọn supercentenarians Amẹrika lọ ati bi ti 15 Keje 2018, ṣe atokọ awọn oludari Amẹrika ti o wa laaye ti o wa laaye mẹfa, ti o dagba julọ ninu wọn ni Lessie Brown, ti a bi ni Oṣu Kẹsan Ọjọ 22, Ọdun 1904, ọdun 113 ọdun, ọjọ 296. 