Through her mother, Lady Yu was a 4th great-granddaughter of King Jeongjong and Royal Consort Suk-ui of the Haengju Ki clan.
Through her father, she was also a 5th great-granddaughter of King Jeongjong and Royal Consort Suk-ui of the Chungju Ji clan.
Her paternal grandmother was also the younger cousin of Grand Internal Princess Consort Hadong, the mother of King Seonjo.
At the age of 11 in 1587, she was selected to become the consort of Yi Hon, Prince Gwanghae, son of Seonjo, born to Kim Gongbin, senior 1st rank king's concubine.
Her son, Yi Ji, the deposed Crown Prince, tried to escape with his wife but failed, resulting in them committing suicide.
There was no known tomb for Deposed Queen Yu as she was buried nearby a waste house but her remains could not be found when she was due for a proper burial.