Grand Prince Jinan son of King Taejo of Joseon Korean state (1354–1393) Parents Sinui Taejo of Joseon Children Lee Deok-geun Siblings Princess Soucksin Taejong of Joseon Princess Kyungshin Grand Prince Deokan Grand Prince Hoean Princess Gyeongsun Grand Prince Ikan Princess Kyungsun Grand Prince Muan Grand Prince Uian Jeongjong of Joseon Princess Uiryeong Lee Deok-geun