Grand Prince Yangnyeong
Grand Prince Yangnyeong (Korean: 양녕대군; Hanja: 讓寧大君; 1394 – 8 October 1462) was the former Crown Prince of the Korean Joseon Dynasty. He was the first son of King Taejong and his wife, Queen Wongyeong. Yangnyeong was the elder brother of Sejong the Great, and an ancestor of Syngman Rhee, an independence activist and the first President of South Korea.