Cognomen Jotei (Jotei 
, Касиваги 
) , all around the world, is quite a rare family name. The family name Jotei is characteristic of Japan, where it is quite a rare surname, and Russia, where it is an extremely rare surname. Also, Jotei is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jotei | Japan, India |
| Касиваги | Russia |