Topic summarySoseono Expand Summary Soseono (Korean: 소서노; Hanja: 召西奴; 66/7 – 6 BC) or Yeon Soseono (연소서노; 延召西奴) was the second wife of King Dongmyeong and a key figure in the establishment of both Goguryeo and Paekche. She was the mother of Biryu and Onjo. Wikipedia source
