He served as an assistant commander to his older half-brother, Yi Sŏng-gye, then after he founded the Joseon dynasty[citation needed] in 1392, Yi Hwa was honoured as Count Uian (의안백; 義安伯)[2] and after helped his half nephew, Yi Pang-wŏn in defeated in the 1st rebellion, Uian become Jeongsagongsin (정사공신).[3]
Later in 1400, during the 2nd Princes Strife, Yi went out again under the command from Yi Pang-wŏn. Uian, along with Yi Suk-bŏn (이숙번; formally called Prince Anseong, 안성군) and Yi Paek-gang (이백강; formally called Prince Cheongpyeong, 청평군) were got the target[4] and succeeded in defeated Yi Bang-gan (이방간; formally called Grand Prince Hoean, 회안대군) and Yi Maeng-jong (이맹종; formally called Prince Uiryeong, 의령군), then he was promoted to Jwamyeonggongsin (좌명공신; 佐命功臣)[5] along with 47 others.[6]
From all of his successions include in defeated Chŏng Mong-ju with Yi Pang-wŏn, Yi Hwa then became the richest nobleman in the Early Joseon period and often got promoted until passed the 4 positions in military. Although he had title, such like: "Count Uian" and "Duke Uian", but after Yi Pang-wŏn (a.k.a. Taejong) reorganized the royal titles system and abolished the 5 Deungjak (오등작), Yi Hwa then was elevated to Grand Prince Uian (의안대군; 義安大君). According to the old tradition that an illegitimate child (especially son) couldn't had the same rank like the legitimate one, Yi Hwa became the one who was actually the illegitimate heir of Hwanjo whom his rank was elevated and same like Hwanjo's legitimate heir for seeing about his contributions in helped Yi Sŏng-gye established the new dynasty.[7]
Grand Prince of the Ui'an Mansion (의안부원대군; 義安府院大君).
Legacy
Yi Hwa Heritage Museum (이화 개국공신녹권, 李和 開國功臣錄券) – Became the National Treasure No. 232 on 15 October 1986; located in Jeongeup-si, South Korea.[18][19]
The Shrine of Grand Prince Uian (의안대군 사당) – Became the Namyangju National Treasure No. 4 on 10 April 1986; located in 151–4, Pyeongnae-dong, Namyangju-si, Gyeonggi-do, South Korea.[20]
Descendants
Although his descendants had time to suffered a lot from their fate to just became a farmer until King Jeongjo of Joseon and King Sunjo of Joseon's reign, their lives be more better than before. It is said that in nowadays, almost of Yi Hwa's descendants live better now and have the nice home in Seoul City, South Korea.[7]
^Married firstly with King Amu of Goryeo (고려 아무왕; 高麗 王某王), but after his death she remarried again with Choe-Ju (최주; 崔宙). Appeared on Taejong Sillok - Article of the 16th days, 10th months, 12nd years of Taejong
^Han-woo, Lee (July 17, 2017). 태종실록 재위3년: 새로운 해석, 예리한 통찰 [The 3rd year reign of King Taejong of Joseon's Annals: A New Interpretation, A Sharp Insight] (in Korean). ISBN9788950971045.