Lü Zuan
In 399, Lü Zuan and his brother Lü Shao, Lü Guang's heir apparent, attacked Northern Liang, and were initially successfully, but after Southern Liang's prince Tufa Wugu sent Yang Gui and his brother Tufa Lilugu to aid Northern Liang, Lü Zuan and Lü Shao were forced to withdraw.