《北齐书·本纪·卷四》
甲寅，进升为相国，统领百官，封给冀州的渤海长乐安德武邑、瀛州的河间高阳章武、定州的中山常山博堕十个郡，食邑二十万户，加九锡的仪仗，特殊礼遇，齐王的爵位照旧。
甲寅，进相国，总百揆，封冀州之渤海长乐安德武邑、瀛州之河间高阳章武、定州之中山常山博陵十郡，邑二十万户，加九锡，殊礼，齐王如故。
On Jiayu, he was promoted as the Premier, in charge of officials, and was enfeoffed with  Bohai, Chang Le, An De, Wu Yi of Ji Zhou; He Jian, Gaoyang, Zhang Wu of Yingzhou; Zhongshan, Changshan, Bo Duo of Dingzhou, a total of ten counties, being enfeoffed with 200, 000 households, as well as the instrument of nine bestowals, the particular gifts, and still the title of King of Qi.