In 433, with Juqu Mengxun extremely ill, the Northern Liang nobles, believing Juqu Mengxun's younger brother Juqu Puti (沮渠菩提), whom Juqu Mengxun had designed heir apparent, to be too young to govern, deposed Juqu Puti and made Juqu Mujian heir apparent instead. Apparently, after Juqu Mengxun soon died and was succeeded by Juqu Mujian, Li Jingshou was created princess.
In 433, when Juqu Mengxun was critically ill, Northern Liang nobles, thinking that Juqu Puti, Juqu Mengxun's designated successor and younger brother, was too young to rule, removed him from the throne and made Juqu Mujian his replacement. It seems that after Juqu Mengxun passed away and was succeeded by Juqu Mujian, Li Jingshou was granted the title of princess.