Princess Yong'an's real name is "Zhu Yuying". Her father is Zhu Di, the founder of the Ming Dynasty, and her mother is Queen Ren Xiaowen. In the 28th year of Hongwu, she married Yuan Rong. In the first year of Yongle, she was promoted to princess and Yuan Rong was granted the title of Marquis of Guangping. Zhu Yuying passed away in the fifteenth year of Yongle. After Zhu Yuying's death, Yuan Rong was punished for offending Ming Chengzu. Eight years later, the eldest son Yuan Zhen died. The cause of death was unknown, and his title was inherited by his concubine.