MINAMOTO no Michichika, who was in power during an early part of the Kamakura period, became the Naidaijin and was called 'MINAMOTO no Hakuriku (Hakuroku)' (synonym of Kanpaku), because he wielded considerable influence.
鎌倉時代前期の源通親は内大臣となり、権勢を振るい「源博陸（はくろく・はくりく＝関白の異名）」と称された。