This German "habitational surname" is based upon the name of an existing place: Radeck was a castle in Oppel, in Silesia. However, the surname is found in the very ancient records Switzerland.
The last name Radtke has German origins. It comes from Radeck, the name of a castle in Silesia, which was then a German state. Silesia is now located in Poland.
Praise
Whitesmith!
Edward Radtke was born in 1962.
Helga Radtke was born in 1962.
Charles Radtke was born in 1964.
Katarzyna Radtke was born in 1969.
Peter Radtke was born in 1943.
Shiela Radtke goes by ShiShi.
Jack Radtke died on 2006-10-24.
Jack Radtke was born on 1913-04-14.
Jamie Radtke was born on 1973-04-18.
Sven Radtke is 5' 10 1/2".