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In page Kaneko Fumiko:

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In 1919, at the age of 16, Kaneko Fumiko was sent back to her maternal family in Japan. It is believed this was because her grandmother and aunt, unwilling to arrange a marriage for her, considered her of marriageable age and no longer their responsibility. She resumed living with her maternal grandparents and began forming a close relationship with her Uncle Motoei, who was officially registered as her brother due to her registration status.[citation needed]