《晋书·帝纪·第三章》
三年春正月初一，日蚀，立皇子司马裕为始平王，安平穆王司马隆的弟弟司马敦为安平王。
三年春正月丙子朔，日有蚀之。立皇子裕为始平王，安平穆王隆弟敦为安平王。
On the first day of the first lunar month in the spring of the third year, there was a solar eclipse. The crown prince Sima Yu was established as the King of Shiping, and Sima Dun, the younger brother of Sima Long, the King of Anping and Mu of Anping, was established as the King of Anping.