context: Grandfather: Emperor Emperor Tenmu (631? ~ 686), Japan's 40th Emperor: Emperor Chino, 41st Emperor Chino Unanosararano, 645-703 Father: Emperor Okanomiya Emperor Kusakabeno (662-689) Mother: Emperor Aeno, Emperor Genmei, 43rd, Japan, 661 ~ 721 Younger brother: 42nd, Japan Emperor Daemonmu (683 ~ 707) Nephew: 45th Emperor Shomu of Japan (701 ~ 756) Sister: King Kibinin Chin (? ~ 729) Mabu: King Nagaya, 684 ? ~ 729）-It was a cousin of descendants of the same Emperor Tenmu.
question: When was Emperor Genmei born?
answers.text: 661