Career
Birth name was Woosung (우성 禹成), a penname was Younghae(영해 領海), Gyunghae(경해 傾海), Gyungeumdang (경음당 鯨飮堂), Chinese style name was Suong(수옹 守翁).
洪允成
Birth name was Woosung (우성 禹成), a penname was Younghae(영해 領海), Gyunghae(경해 傾海), Gyungeumdang (경음당 鯨飮堂), Chinese style name was Suong(수옹 守翁).
One"s staff members of King Sejo, First and Second Vice Prime minister or Left and Right State Councillor, respectively, in 1467 to 1469 and Prime Minister or Chief State Councillor of Joseon Dynastys 1469 August to 1470 April.