《资治通鉴·晋纪·晋纪二十八》
十一月，苻丕任命王兖为平州刺史，苻定为冀州牧，苻绍为冀州都督，苻谟为幽州牧，苻亮为幽、平二州都督，全都晋升爵位为郡公。
十一月，丕以兗为平州刺史，定为冀州牧，绍为冀州都督，谟为幽州牧，亮为幽、平二州都督，并进郡公。
In the eleventh month, Fupi appointed Wang Yan as the governor of Pingzhou, Fuding as the governor of Jizhou, Fusha as the governor of Jizhou, Fumou as the governor of Youzhou, and Fulang as the governor of You and Ping states, and promoted them all to the titles of county dukes.