Martin Devries, Jan 1874 (head, married, Holland)
Eda M Devries, Jul 1878 (wife, married, Germany)
"United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MM2V-T3P : accessed 07 Apr 2014), Eda M Devries in household of Martin Devries, Lake Geneva city Ward 1-3, Walworth, Wisconsin, United States; citing sheet 26B, family 627, NARA microfilm publication T623, FHL microfilm 1241821.