He was the founder of the Northern House of the Fujiwara clan and he is referred to as FUJIWARA no Kitanomaetsukimi in Manyoshu (Collection of Ten Thousand Leaves), which includes the poems that he exchanged with OTOMO no Tabito.
藤原北家の始祖で万葉集には藤原北卿とあり、大伴旅人への答歌等が見られる。