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, with Juqu Mengxun gravely ill, Northern Liang nobles, believing Juqu Puti, who had been designated as Juqu Mengxun's successor and younger brother, to be too young for governance, removed him from power and elevated Juqu Mujian instead. It appears that after Juqu Mengxun died and was succeeded by Juqu Mujian, Li Jingshou received the title of princess.