>>473
https://society6.5ch.net/test/read.cgi/kokusai/1175866583/299

カプランとデュブロ
https://ja.wikipedia.org/wiki/%E3%82%AB%E3%83%97%E3%83%A9%E3%83%B3%E3%81%A8%E3%83%87%E3%83%A5%E3%83%96%E3%83%AD

The Name Game - Jewish Journal
https://jewishjournal.com/culture/singles/6191/
That was before we understood that names could be obviously Jewish, that any name containing “gold,” “silver,” “green,”
“fish,” “blatt,” “baum,” “stein,” “feld” or “witz” was usually a dead giveaway. That was before we knew that Shapiro was
Shapiro and Kaplan was Kaplan. Kaplan? C’mon. This is still a family joke and if she’s distracted, you can sometimes get
her to do it to this day.

Kaplan (surname)
https://en.wikipedia.org/wiki/Kaplan_(surname)
Kaplan or Caplan is also a surname common among Ashkenazi Jews,