Founder of the Goseong Yi clan; Lord Cheollyeong, Deputy Commissioner under King Deokjong of Goryeo

| Era | 고려 |
| Clan | 고성 이씨 |
Yi Hwang (李璜) is the founder of the Goseong Yi clan. According to the clan genealogy he passed the civil examination under King Deokjong of Goryeo, served as Deputy Commissioner of the Royal Secretariat and was made Lord Cheollyeong for repelling the Khitan. These honors are not confirmed in the official histories and are best read as clan tradition. He is a different person from the Joseon scholar Toegye Yi Hwang (李滉).
손자 대 이후 이존비·이암·이원 등을 배출하며 고려 말~조선 초의 명문가가 되었고, 후손은 안정공파·둔재공파·호군공파·좌윤공파·동추공파·병사공파·참판공파·사암공파 등으로 나뉩니다.