Crown Prince Sado
The royal tomb of Princess Hwahyeop, a Joseon dynasty princess, was discovered in Sampae-dong in 2015. Excavations in 2016 unearthed stone tablets detailing eulogies to her written by King Yeongjo, Crown Prince Sado, and King Jeongjo. Namyangju is also the location of the tomb of Empress Myeongseong.