411 REFERENCE · Wiktionary
Siefken
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Proper noun
s
en.
Statistics
According to the 2010 United States Census, Siefken is the 31689th most common surname in the United States, belonging to 729 individuals. Siefken is most common among White (96.57%) individuals.