The Takamune branch of the Taira clan was a family line to work as officials for practical matters, but a large number of benkan who were in charge of office work of the Dajokan (Great Minister of the Council of State) were mainly from another line, offspring of TAIRA no Tokinori, and people from the line to which Tokitada belonged worked mainly as keishi (officials of the agency of imperial family, noble, etc.) of In (retired emperors) and Sekkan-ke (the families which produced regents.
高棟流平氏は実務官人の家系だったが、太政官の事務を処理する弁官を輩出していたのは別系統の平時範の子孫であり、時忠の系統は主に院や摂関家の家司として活動していた。