It is said that because they needed the large amount of the reward from the Japanese Government, they accepted boarding Sutematsu YAMAKAWA, a female student from Japan at the request of Arinori MORI who had been looking for a boarding house for her.
1872年、日本から来た女子留学生の下宿先を探していた森有礼の申し出に応じて山川捨松を引き取ったのは日本政府から支払われる多額の謝礼が目当てであったといわれる。