"Idaho, Southeast Counties Obituaries, 1864-2007," index and images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVSF-7RTN : accessed 22 April 2015), Siebregje Jans Zwart Vanderwood, 1872; Idaho Falls Regional Family History Center, Idaho Falls; FHL microfilm 100,464,718.