For Detlefsen there are 106 on Yasni with different names.
Among the most common last names on Yasni Detlefsen is on position 4421.
- North German form of the nickname "Detlef, Dietlieb" - Old High German "Thiote, Diot-LEIBA" -> "People, People + Rest" - Teodlef (to 850), Dedeleves (c. 1339), Dedeloff (c. 1496)
