Through her mother, Lady Yun was a great-great-granddaughter of Sim On; who was the father of Queen Soheon, the wife of King Sejong the Great.
Her father's sister married a first cousin once removed of Queen Jeongsun; thus making her aunt a daughter-in-law to Im Sa-hong.
As well as a sister-in-law to Yi Hang, Prince Ahnyang (안양군 이항; 1480–1505); who was the son of King Seongjong and Royal Consort Gwi-in of the Chogye Jeong clan.
She was buried in Huireung within the city of Goyang, Gyeonggi Province and posthumously honoured with the title Queen Janggyeong.
The queen was born in the 7th month of the year of Gyeongjin (庚辰) during the reign of Emperor Hongzhi (弘治) in a private residence.
She lost her mother early and was raised in the house of Lady Park (朴氏), the wife of the deceased Grand Prince Wolsan (月山大君).
In the year of Jeongmyo (丁卯), the ministers again requested, 'The position of the queen cannot remain vacant for long; please establish one quickly.'
She often said to the King, 'I have read the ancient texts, and although I may not reach the virtues of a wise wife, my wish is not to be seen as disobedient to Your Majesty's will.
The King deeply admired her, saying, 'The queen's resolve is lofty, comparable to the virtues of Lady Tai Si (太姒).'
In the year of Shinmi (辛未), on the day of Jeongmyo (丁卯) in the 5th month, she gave birth to a daughter, who was still too young to wear a hairpin.
Upon reflection, I recall that last summer, in a dream, someone told me to name this child Eokmyeong (億命), so I wrote it down and posted it on the wall.'
The Annals of the Joseon Dynasty tells the story of the Queen who threatened the Crown Prince to not to kill her brothers and her own son.
According to unofficial chronicles, there is a tale of Seongryeol finally showing love for her "adoptive" son Injong, after decades of polite indifference (in reality behind-the-scenes hatred).
With politically indifferences and trying to receive the motherly love from his stepmother, it was speculated that Queen Munjeong had slowly poisoned her stepson, King Injong, by feeding him a tteok (rice cake).
The chronicles also tell that Queen Dowager Seongryeol was frequently visited by spirits at night after Injong's death.