Naomi Osaka's Unknown Family History: Her Great-Grandmother's Autobiography Recounts the Soviet Soldiers' Seizure of the "Northern Territories" (2/2) Naomi Osaka (21) traces her maternal roots to her mother, Tamaki (48), and her father, Tetsuo (74), the head of the Nemuro Fishermen's Cooperative in Hokkaido. Tetsuo's mother, Naomi's great-grandmother Mitsuyo, was known as "Osaka's mother" and was famous for her strong personality. Her autobiography, "When Daylilies Bloom on Yururi Island" (hereinafter referred to as the autobiography), recounts her harsh experiences as an islander of the Northern Territories. https://www.dailyshincho.jp/article/2019/02230800/?all=1 #NaomiOsaka