Yi Gwang-sik
He was born Gangreung in Province Gangwon. 1543 his title of Pyungando Byungma Jeoldosa (Hangul:평안도병마절도사, Hanja:平安道兵馬節度使), literally meaning "Naval Commander of the Pyungando Provinces," 1543 Manchuria was invasion of Pyungando, it was perhaps his most remarkable military achievement occurred at the negotiation. 1546 Byungjochampan(병조참판, 兵曹參判), 1548 reappointed Pyungando Pyungma Jeoldosa, 1555 Jeonrado Byungma Jeoldosa (Hangul:전라도병마절도사, Hanja:全羅道兵馬節度使).