The Netherlands and Germany

Oort, Oord coming from north-west Overijssel and Friesland, the Netherlands. Oordt
coming from Overijssel, the Netherlands. Brefeld coming from Westphalia, Germany
and Overijssel, the Netherlands. Kloos coming from North-Holland and South-Holland,
the Netherlands. Oranje coming from South-Holland, the Netherlands. Siebum coming
from Drenthe, the Netherlands. Sibum coming from Emsland, Germany and Drenthe,
the Netherlands. Sijbom coming from Overijssel and Drenthe, the Netherlands. Ter
Bogt coming from Westphalia, Germany and Gelderland, the Netherlands.