Yixi remains from Shandong China dated 2000 years ago yielded mtDNA D-loop sequences. Yixi nucleotide diversity matches modern populations. Modern Asians split into six mtDNA radiation groups. Yixi show strongest genetic match to Taiwan Han Chinese via frequency and distance indices. Yixi closer to Mongolians mainland Japanese and Koreans than Ainu or Ryukyu Japanese. Yixi less related to ancient Japanese Jomon and Yayoi people.