was a renowned japanese waka poet and calligrapher of the mid-heian period. he was born into a prominent family, being the eldest son of fujiwara no kintō and a grandson of emperor murakami on his mother's side. early life and career fujiwara no sadayori served as director for military affairs before becoming middle councilor. his poetic talents were widely recognized, and he was well known for his skills as both a poet and a calligrap…