Career
His first name was Jigong(korean:지공, hanja:之公). A penname was Ikjae(익재, 益齋)·Yukong(역옹, 櫟翁)·Shiljae(실재, 實齋), courtesy name was Jungsa(중사, 仲思). He was the father of Youngbi Lee, who was a concubine of Gongmin of Goryeo.
李齊賢
His first name was Jigong(korean:지공, hanja:之公). A penname was Ikjae(익재, 益齋)·Yukong(역옹, 櫟翁)·Shiljae(실재, 實齋), courtesy name was Jungsa(중사, 仲思). He was the father of Youngbi Lee, who was a concubine of Gongmin of Goryeo.