《资治通鉴·晋纪·晋纪三十八》
秃发檀的其他几个儿子秃发保周、秃发贺，秃发俱延的儿子秃发覆龙，秃发利鹿孤的孙子秃发副周，秃发乌孤的孙子秃发承钵，都逃去投奔河西王沮渠蒙逊，很久之后，又投奔北魏。
傉檀子保周、贺，俱延子覆龙，利鹿孤孙副周，乌孤孙承钵，皆奔河西王蒙逊；久之，又奔魏。
Tufa Tan's other sons Tufa Baozhou, Tufa He, Tufa Juxuan's son Tufa Fulong, Tufa Lilugu's grandson Tufa Fuzhou, Tufa Wugu's grandson Tufa Chengbo, all escaped and went to the King of Hexi, Juqu Mengxun. Much later they went to Northern Wei.