Over the course of his research, he came across one family that was particularly good at hunting, whose family name was Kalingsan, which means "true iron wire" (which is used in making traps).
他的資料中，有一戶擅長狩獵的家族，就是以「真正的鐵絲」（Kalingsan，用來做陷阱）作為家名（類似漢人的姓氏，但搬出這個家的後代可另立家名）。