|Spoiler Alert: This page contains spoilers. Read at your own risk.|
The Rozen (ローゼン) Family hails from Germany.
Rozen Magicraft is a German Magic Engineering Equipment Manufacturer, which is considered to be one of the most influential Magic Engineering companies in the world, alongside Maximilien Device that manufactures CAD.  It is also one of the largest manufacturers in the industry. 
The Head of the Rozen Family serves as President of Rozen Magicraft. 
- Bastian Rozen (バスティアン・ローゼン) - (Former Family Head, Deceased)