Masur is a surname signifying membership in the Masurians ethnic group (note that a subject not listed below may have a similar name "Mazur" or related surname "Mazurek").
References
Masur (surname) Wikipedia(Text) CC BY-SA
Masur is a surname signifying membership in the Masurians ethnic group (note that a subject not listed below may have a similar name "Mazur" or related surname "Mazurek").