In Islam, djinn (singular djinnee) are believed to be the equivalent of spirits or demons. They can be good or evil, and are said to live side by side with humans, but are not perceivable by them.
There are also stories about people managing to gain control of djinn, usually through difficult, secret, magical tasks.
... (40 miles northwest of Cologne) in 1380 and died near Zwolle (52 miles east-north-east of Amsterdam) in 1471. His paternal name was Hemerken or Hammerlein, "littl ...