Tanabe 壯吉 (Seiichi Tejima’s second son)

October 27, 2026 research. Seiichi’s biological second son; adopted by Seiichi’s elder brother Sadakichi. The two parent types are separately encoded. Sources: https://jahis.law.nagoya-u.ac.jp/who/docs/who4-10352 ; https://jahis.law.nagoya-u.ac.jp/who/docs/who4-5091 ; https://jahis.law.nagoya-u.ac.jp/who/docs/who4-3991. Provisional—published historical directory transcription (Jinji Koshinroku, fourth edition, January 1915). Original family registers not inspected. No mother inferred from a father’s marriage. The historical Sugi–Tejima collateral branch does not resolve the identity bridge between Rei’s grandfather Ichiro and the directory grandson. Japanese given names retain source characters where pronunciation is unverified.