The Deeken DNA project is designed to help those with this surname to learn if there are genetic commonalities. The degree of relatedness can be determined by the number of genetic markers two individuals have in common. A cluster of Deekens seems to be located in northwestern Germany near the city of Oldenburg. The surname seems to be of Frisian origin, which includes this area. Associated surnames: Deecken, Deeke, Deken, Deek, Deyke, Deyiken, Daeken.