Queen Jeonghui, Korean regent (born 1418)

Queen Jeonghui, of the Papyeong Yun clan, was a posthumous name bestowed on the wife and queen of Yi Yu, King Sejo. She was Queen of Joseon from 1455 until her husband's death in 1468, after which she was honoured as Queen Dowager Jaseong (자성왕대비) during the reign of her son, Yi Hwang, King Yejong, She was later honoured as Grand Queen Dowager Jaseong (자성대왕대비) during the reign of her grandson, Yi Hyeol, King Seongjong.