The reason why SUGAWARA no Tamenaga was given the honor of being given the rank and position of Shonii, Sangi and Okurakyo was due in part of his vitality, (he lived to the ripe age of 89), but also the following factors.
菅原為長が正二位・参議・大蔵卿叙任という栄誉を勝ち得た理由としては、89歳まで生きたその生命力もさることながら次のようなことが挙げられるだろう。