Yi Hae-won

Princess Yi Haewŏn (24 April 1919 – 8 February 2020) was a descendant of the Joseon dynasty (Empire of Korea). She was the second daughter of Prince Imperial Ui of Korea, the fifth son of Emperor Gojong of Korea. 
Yi was the eldest of the surviving daughters of Prince Imperial Ui, and one of several descendants, including her brother King Yi Seok and her nephew, Yi Won, who claimed to be the legitimate heir to the throne of the Korean Imperial Household. 
Yi died on 8 February 2020 at the age of 100.