He was a great-grandfather of FUJIWARA no Toshinari, who was known as the editor of "Senzai Wakashu" (Collection of Japanese Poems of a Thousand Years), and he himself was one of the central figures of poetry circles with 44 poems chosen for Chokusen shu (anthology of poems collected by Imperial command).
『千載和歌集』の編者として知られる藤原俊成の曽祖父に当たり、長家自身も、勅撰集に44首の作品が入首するなど、歌壇の中心的人物の一人であった。