Dr. Taizo KUMAGAI of the medical school of Tohoku University was a relative of Dr. Aoyama, and had a deep relationship with the Hirata family; Dr. Yasuhiko MORIOKA, who became world-famous when he operated on Emperor Showa, also had a relationship with the Hirata family and he wore a good-luck charm from the Hirata-jinja Shrine when performing the operation.
東北大学医学部の熊谷岱蔵博士は青山博士とは姻戚関係で、平田宗家とも関係深く、現在では昭和天皇の手術で一躍世界に知られた東京大學の森岡恭彦博士は、手術のとき平田神社のお守りを肌身につけて手術に臨まれたという。